Home / 71,956,209.60-99,299,568.87-38,916,458.19

Finding the Fourth Proportional to 71,956,209.60, 99,299,568.87 and 38,916,458.19

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Solution

The fourth proportional to 71,956,209.60, 99,299,568.87 and 38,916,458.19 is: 53,704,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,956,209.60 : 99,299,568.87 = 38,916,458.19 : x
  2. Step 2: Convert to fraction form
    71,956,209.60/99,299,568.87 = 38,916,458.19/x
  3. Step 3: Cross multiply
    71,956,209.60x = 99,299,568.87 × 38,916,458.19
  4. Step 4: Simplify right side
    71,956,209.60x = 3,864,387,520,214,380.50
  5. Step 5: Solve for x
    x = 3,864,387,520,214,380.50/71,956,209.60
  6. Step 6: Final answer
    x = 53,704,712.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.