Home / 47,931,444.30-71,897,166.45-40,278,693.90

Finding the Fourth Proportional to 47,931,444.30, 71,897,166.45 and 40,278,693.90

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Solution

The fourth proportional to 47,931,444.30, 71,897,166.45 and 40,278,693.90 is: 60,418,040.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,931,444.30 : 71,897,166.45 = 40,278,693.90 : x
  2. Step 2: Convert to fraction form
    47,931,444.30/71,897,166.45 = 40,278,693.90/x
  3. Step 3: Cross multiply
    47,931,444.30x = 71,897,166.45 × 40,278,693.90
  4. Step 4: Simplify right side
    47,931,444.30x = 2,895,923,959,716,899.50
  5. Step 5: Solve for x
    x = 2,895,923,959,716,899.50/47,931,444.30
  6. Step 6: Final answer
    x = 60,418,040.85

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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.