Home / 71,880,892.55-107,869,853.06-28,156,227.52

Finding the Fourth Proportional to 71,880,892.55, 107,869,853.06 and 28,156,227.52

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Solution

The fourth proportional to 71,880,892.55, 107,869,853.06 and 28,156,227.52 is: 42,253,344.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,880,892.55 : 107,869,853.06 = 28,156,227.52 : x
  2. Step 2: Convert to fraction form
    71,880,892.55/107,869,853.06 = 28,156,227.52/x
  3. Step 3: Cross multiply
    71,880,892.55x = 107,869,853.06 × 28,156,227.52
  4. Step 4: Simplify right side
    71,880,892.55x = 3,037,208,125,306,328
  5. Step 5: Solve for x
    x = 3,037,208,125,306,328/71,880,892.55
  6. Step 6: Final answer
    x = 42,253,344.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.