Home / 67,947,091.20-93,777,635.40-40,072,865.16

Finding the Fourth Proportional to 67,947,091.20, 93,777,635.40 and 40,072,865.16

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Solution

The fourth proportional to 67,947,091.20, 93,777,635.40 and 40,072,865.16 is: 55,306,834.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,947,091.20 : 93,777,635.40 = 40,072,865.16 : x
  2. Step 2: Convert to fraction form
    67,947,091.20/93,777,635.40 = 40,072,865.16/x
  3. Step 3: Cross multiply
    67,947,091.20x = 93,777,635.40 × 40,072,865.16
  4. Step 4: Simplify right side
    67,947,091.20x = 3,757,938,538,407,842.50
  5. Step 5: Solve for x
    x = 3,757,938,538,407,842.50/67,947,091.20
  6. Step 6: Final answer
    x = 55,306,834.66

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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.