Home / 99,659,425.16-149,565,438.05-45,110,318.43

Finding the Fourth Proportional to 99,659,425.16, 149,565,438.05 and 45,110,318.43

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Solution

The fourth proportional to 99,659,425.16, 149,565,438.05 and 45,110,318.43 is: 67,700,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,659,425.16 : 149,565,438.05 = 45,110,318.43 : x
  2. Step 2: Convert to fraction form
    99,659,425.16/149,565,438.05 = 45,110,318.43/x
  3. Step 3: Cross multiply
    99,659,425.16x = 149,565,438.05 × 45,110,318.43
  4. Step 4: Simplify right side
    99,659,425.16x = 6,746,944,536,332,386
  5. Step 5: Solve for x
    x = 6,746,944,536,332,386/99,659,425.16
  6. Step 6: Final answer
    x = 67,700,014.58

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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.