Home / 99,870,732.60-149,810,246.10-31,711,500.60

Finding the Fourth Proportional to 99,870,732.60, 149,810,246.10 and 31,711,500.60

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Solution

The fourth proportional to 99,870,732.60, 149,810,246.10 and 31,711,500.60 is: 47,568,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,870,732.60 : 149,810,246.10 = 31,711,500.60 : x
  2. Step 2: Convert to fraction form
    99,870,732.60/149,810,246.10 = 31,711,500.60/x
  3. Step 3: Cross multiply
    99,870,732.60x = 149,810,246.10 × 31,711,500.60
  4. Step 4: Simplify right side
    99,870,732.60x = 4,750,707,709,086,298
  5. Step 5: Solve for x
    x = 4,750,707,709,086,298/99,870,732.60
  6. Step 6: Final answer
    x = 47,568,567.74

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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.