Home / 87,552,640.80-131,328,961.20-51,272,935.20

Finding the Fourth Proportional to 87,552,640.80, 131,328,961.20 and 51,272,935.20

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Solution

The fourth proportional to 87,552,640.80, 131,328,961.20 and 51,272,935.20 is: 76,909,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,552,640.80 : 131,328,961.20 = 51,272,935.20 : x
  2. Step 2: Convert to fraction form
    87,552,640.80/131,328,961.20 = 51,272,935.20/x
  3. Step 3: Cross multiply
    87,552,640.80x = 131,328,961.20 × 51,272,935.20
  4. Step 4: Simplify right side
    87,552,640.80x = 6,733,621,317,490,915
  5. Step 5: Solve for x
    x = 6,733,621,317,490,915/87,552,640.80
  6. Step 6: Final answer
    x = 76,909,402.80

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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.