Home / 99,654,932.10-149,482,398.15-31,518,509.70

Finding the Fourth Proportional to 99,654,932.10, 149,482,398.15 and 31,518,509.70

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Solution

The fourth proportional to 99,654,932.10, 149,482,398.15 and 31,518,509.70 is: 47,277,764.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,654,932.10 : 149,482,398.15 = 31,518,509.70 : x
  2. Step 2: Convert to fraction form
    99,654,932.10/149,482,398.15 = 31,518,509.70/x
  3. Step 3: Cross multiply
    99,654,932.10x = 149,482,398.15 × 31,518,509.70
  4. Step 4: Simplify right side
    99,654,932.10x = 4,711,462,416,070,037
  5. Step 5: Solve for x
    x = 4,711,462,416,070,037/99,654,932.10
  6. Step 6: Final answer
    x = 47,277,764.55

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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.