Home / 67,947,092.20-93,777,636.78-40,072,866.16

Finding the Fourth Proportional to 67,947,092.20, 93,777,636.78 and 40,072,866.16

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Solution

The fourth proportional to 67,947,092.20, 93,777,636.78 and 40,072,866.16 is: 55,306,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,947,092.20 : 93,777,636.78 = 40,072,866.16 : x
  2. Step 2: Convert to fraction form
    67,947,092.20/93,777,636.78 = 40,072,866.16/x
  3. Step 3: Cross multiply
    67,947,092.20x = 93,777,636.78 × 40,072,866.16
  4. Step 4: Simplify right side
    67,947,092.20x = 3,757,938,687,486,033
  5. Step 5: Solve for x
    x = 3,757,938,687,486,033/67,947,092.20
  6. Step 6: Final answer
    x = 55,306,836.04

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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.