Home / 103,230,389,575.48-142,439,026,414.44-57,503,527,038.76

Finding the Fourth Proportional to 103,230,389,575.48, 142,439,026,414.44 and 57,503,527,038.76

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Solution

The fourth proportional to 103,230,389,575.48, 142,439,026,414.44 and 57,503,527,038.76 is: 79,344,333,005.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,230,389,575.48 : 142,439,026,414.44 = 57,503,527,038.76 : x
  2. Step 2: Convert to fraction form
    103,230,389,575.48/142,439,026,414.44 = 57,503,527,038.76/x
  3. Step 3: Cross multiply
    103,230,389,575.48x = 142,439,026,414.44 × 57,503,527,038.76
  4. Step 4: Simplify right side
    103,230,389,575.48x = 8,190,746,406,797,401,128,960
  5. Step 5: Solve for x
    x = 8,190,746,406,797,401,128,960/103,230,389,575.48
  6. Step 6: Final answer
    x = 79,344,333,005.82

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Double scale
Find fourth proportional to 103,230,389,576.48, 142,439,026,415.82 and 57,503,527,039.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.