Home / 99,552,002.10-149,328,003.15-31,415,579.70

Finding the Fourth Proportional to 99,552,002.10, 149,328,003.15 and 31,415,579.70

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Solution

The fourth proportional to 99,552,002.10, 149,328,003.15 and 31,415,579.70 is: 47,123,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,552,002.10 : 149,328,003.15 = 31,415,579.70 : x
  2. Step 2: Convert to fraction form
    99,552,002.10/149,328,003.15 = 31,415,579.70/x
  3. Step 3: Cross multiply
    99,552,002.10x = 149,328,003.15 × 31,415,579.70
  4. Step 4: Simplify right side
    99,552,002.10x = 4,691,225,784,400,676
  5. Step 5: Solve for x
    x = 4,691,225,784,400,676/99,552,002.10
  6. Step 6: Final answer
    x = 47,123,369.55

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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.