Home / 83,041,237.28-124,565,249.40-28,491,333.68

Finding the Fourth Proportional to 83,041,237.28, 124,565,249.40 and 28,491,333.68

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Solution

The fourth proportional to 83,041,237.28, 124,565,249.40 and 28,491,333.68 is: 42,738,164.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,041,237.28 : 124,565,249.40 = 28,491,333.68 : x
  2. Step 2: Convert to fraction form
    83,041,237.28/124,565,249.40 = 28,491,333.68/x
  3. Step 3: Cross multiply
    83,041,237.28x = 124,565,249.40 × 28,491,333.68
  4. Step 4: Simplify right side
    83,041,237.28x = 3,549,030,085,587,820
  5. Step 5: Solve for x
    x = 3,549,030,085,587,820/83,041,237.28
  6. Step 6: Final answer
    x = 42,738,164.82

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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.