Home / 83,041,236.28-124,565,247.90-28,491,332.68

Finding the Fourth Proportional to 83,041,236.28, 124,565,247.90 and 28,491,332.68

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Solution

The fourth proportional to 83,041,236.28, 124,565,247.90 and 28,491,332.68 is: 42,738,163.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,041,236.28 : 124,565,247.90 = 28,491,332.68 : x
  2. Step 2: Convert to fraction form
    83,041,236.28/124,565,247.90 = 28,491,332.68/x
  3. Step 3: Cross multiply
    83,041,236.28x = 124,565,247.90 × 28,491,332.68
  4. Step 4: Simplify right side
    83,041,236.28x = 3,549,029,918,285,571.50
  5. Step 5: Solve for x
    x = 3,549,029,918,285,571.50/83,041,236.28
  6. Step 6: Final answer
    x = 42,738,163.32

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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.