Home / 82,944,340.80-124,416,511.20-76,897,723.20

Finding the Fourth Proportional to 82,944,340.80, 124,416,511.20 and 76,897,723.20

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Solution

The fourth proportional to 82,944,340.80, 124,416,511.20 and 76,897,723.20 is: 115,346,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,340.80 : 124,416,511.20 = 76,897,723.20 : x
  2. Step 2: Convert to fraction form
    82,944,340.80/124,416,511.20 = 76,897,723.20/x
  3. Step 3: Cross multiply
    82,944,340.80x = 124,416,511.20 × 76,897,723.20
  4. Step 4: Simplify right side
    82,944,340.80x = 9,567,346,439,767,300
  5. Step 5: Solve for x
    x = 9,567,346,439,767,300/82,944,340.80
  6. Step 6: Final answer
    x = 115,346,584.80

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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.