Home / 103,204,666.30-142,390,375.76-58,543,277.70

Finding the Fourth Proportional to 103,204,666.30, 142,390,375.76 and 58,543,277.70

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Solution

The fourth proportional to 103,204,666.30, 142,390,375.76 and 58,543,277.70 is: 80,771,534.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,204,666.30 : 142,390,375.76 = 58,543,277.70 : x
  2. Step 2: Convert to fraction form
    103,204,666.30/142,390,375.76 = 58,543,277.70/x
  3. Step 3: Cross multiply
    103,204,666.30x = 142,390,375.76 × 58,543,277.70
  4. Step 4: Simplify right side
    103,204,666.30x = 8,335,999,309,925,028
  5. Step 5: Solve for x
    x = 8,335,999,309,925,028/103,204,666.30
  6. Step 6: Final answer
    x = 80,771,534.94

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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.