Home / 83,041,402.28-124,565,564.64-28,491,509.62

Finding the Fourth Proportional to 83,041,402.28, 124,565,564.64 and 28,491,509.62

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Solution

The fourth proportional to 83,041,402.28, 124,565,564.64 and 28,491,509.62 is: 42,738,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,041,402.28 : 124,565,564.64 = 28,491,509.62 : x
  2. Step 2: Convert to fraction form
    83,041,402.28/124,565,564.64 = 28,491,509.62/x
  3. Step 3: Cross multiply
    83,041,402.28x = 124,565,564.64 × 28,491,509.62
  4. Step 4: Simplify right side
    83,041,402.28x = 3,549,060,982,638,464
  5. Step 5: Solve for x
    x = 3,549,060,982,638,464/83,041,402.28
  6. Step 6: Final answer
    x = 42,738,451.97

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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.