Home / 87,552,468.80-131,328,703.20-77,474,772.80

Finding the Fourth Proportional to 87,552,468.80, 131,328,703.20 and 77,474,772.80

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Solution

The fourth proportional to 87,552,468.80, 131,328,703.20 and 77,474,772.80 is: 116,212,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,552,468.80 : 131,328,703.20 = 77,474,772.80 : x
  2. Step 2: Convert to fraction form
    87,552,468.80/131,328,703.20 = 77,474,772.80/x
  3. Step 3: Cross multiply
    87,552,468.80x = 131,328,703.20 × 77,474,772.80
  4. Step 4: Simplify right side
    87,552,468.80x = 10,174,661,442,538,632
  5. Step 5: Solve for x
    x = 10,174,661,442,538,632/87,552,468.80
  6. Step 6: Final answer
    x = 116,212,159.20

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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.