Home / 61,399,972.35-84,770,201.42-39,085,549

Finding the Fourth Proportional to 61,399,972.35, 84,770,201.42 and 39,085,549

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Solution

The fourth proportional to 61,399,972.35, 84,770,201.42 and 39,085,549 is: 53,962,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,399,972.35 : 84,770,201.42 = 39,085,549 : x
  2. Step 2: Convert to fraction form
    61,399,972.35/84,770,201.42 = 39,085,549/x
  3. Step 3: Cross multiply
    61,399,972.35x = 84,770,201.42 × 39,085,549
  4. Step 4: Simplify right side
    61,399,972.35x = 3,313,289,861,341,279.50
  5. Step 5: Solve for x
    x = 3,313,289,861,341,279.50/61,399,972.35
  6. Step 6: Final answer
    x = 53,962,399.89

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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.