Home / 103,423,564.67-142,725,481.97-57,015,479.34

Finding the Fourth Proportional to 103,423,564.67, 142,725,481.97 and 57,015,479.34

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Solution

The fourth proportional to 103,423,564.67, 142,725,481.97 and 57,015,479.34 is: 78,681,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,423,564.67 : 142,725,481.97 = 57,015,479.34 : x
  2. Step 2: Convert to fraction form
    103,423,564.67/142,725,481.97 = 57,015,479.34/x
  3. Step 3: Cross multiply
    103,423,564.67x = 142,725,481.97 × 57,015,479.34
  4. Step 4: Simplify right side
    103,423,564.67x = 8,137,561,768,267,001
  5. Step 5: Solve for x
    x = 8,137,561,768,267,001/103,423,564.67
  6. Step 6: Final answer
    x = 78,681,892.22

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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.