Home / 145,333,616.80-217,753,645.20-87,704,795.20

Finding the Fourth Proportional to 145,333,616.80, 217,753,645.20 and 87,704,795.20

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Solution

The fourth proportional to 145,333,616.80, 217,753,645.20 and 87,704,795.20 is: 131,408,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,333,616.80 : 217,753,645.20 = 87,704,795.20 : x
  2. Step 2: Convert to fraction form
    145,333,616.80/217,753,645.20 = 87,704,795.20/x
  3. Step 3: Cross multiply
    145,333,616.80x = 217,753,645.20 × 87,704,795.20
  4. Step 4: Simplify right side
    145,333,616.80x = 19,098,038,856,319,464
  5. Step 5: Solve for x
    x = 19,098,038,856,319,464/145,333,616.80
  6. Step 6: Final answer
    x = 131,408,267.93

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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.