Home / 99,708,956.57-137,621,318.32-58,469,134.97

Finding the Fourth Proportional to 99,708,956.57, 137,621,318.32 and 58,469,134.97

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Solution

The fourth proportional to 99,708,956.57, 137,621,318.32 and 58,469,134.97 is: 80,700,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,708,956.57 : 137,621,318.32 = 58,469,134.97 : x
  2. Step 2: Convert to fraction form
    99,708,956.57/137,621,318.32 = 58,469,134.97/x
  3. Step 3: Cross multiply
    99,708,956.57x = 137,621,318.32 × 58,469,134.97
  4. Step 4: Simplify right side
    99,708,956.57x = 8,046,599,436,018,552
  5. Step 5: Solve for x
    x = 8,046,599,436,018,552/99,708,956.57
  6. Step 6: Final answer
    x = 80,700,868.94

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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.