Home / 72,591,350.10-108,874,583.55-27,129,743.70

Finding the Fourth Proportional to 72,591,350.10, 108,874,583.55 and 27,129,743.70

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Solution

The fourth proportional to 72,591,350.10, 108,874,583.55 and 27,129,743.70 is: 40,689,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,591,350.10 : 108,874,583.55 = 27,129,743.70 : x
  2. Step 2: Convert to fraction form
    72,591,350.10/108,874,583.55 = 27,129,743.70/x
  3. Step 3: Cross multiply
    72,591,350.10x = 108,874,583.55 × 27,129,743.70
  4. Step 4: Simplify right side
    72,591,350.10x = 2,953,739,547,155,736
  5. Step 5: Solve for x
    x = 2,953,739,547,155,736/72,591,350.10
  6. Step 6: Final answer
    x = 40,689,965.72

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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.