Home / 72,580,329.92-108,937,956-36,704,285.12

Finding the Fourth Proportional to 72,580,329.92, 108,937,956 and 36,704,285.12

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Solution

The fourth proportional to 72,580,329.92, 108,937,956 and 36,704,285.12 is: 55,090,543.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,580,329.92 : 108,937,956 = 36,704,285.12 : x
  2. Step 2: Convert to fraction form
    72,580,329.92/108,937,956 = 36,704,285.12/x
  3. Step 3: Cross multiply
    72,580,329.92x = 108,937,956 × 36,704,285.12
  4. Step 4: Simplify right side
    72,580,329.92x = 3,998,489,797,414,014.50
  5. Step 5: Solve for x
    x = 3,998,489,797,414,014.50/72,580,329.92
  6. Step 6: Final answer
    x = 55,090,543.15

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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.