Home / 82,835,359.40-124,253,039.10-28,309,512.80

Finding the Fourth Proportional to 82,835,359.40, 124,253,039.10 and 28,309,512.80

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Solution

The fourth proportional to 82,835,359.40, 124,253,039.10 and 28,309,512.80 is: 42,464,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,835,359.40 : 124,253,039.10 = 28,309,512.80 : x
  2. Step 2: Convert to fraction form
    82,835,359.40/124,253,039.10 = 28,309,512.80/x
  3. Step 3: Cross multiply
    82,835,359.40x = 124,253,039.10 × 28,309,512.80
  4. Step 4: Simplify right side
    82,835,359.40x = 3,517,543,000,840,350.50
  5. Step 5: Solve for x
    x = 3,517,543,000,840,350.50/82,835,359.40
  6. Step 6: Final answer
    x = 42,464,269.20

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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.