Home / 87,488,129.70-131,232,194.55-73,458,087.30

Finding the Fourth Proportional to 87,488,129.70, 131,232,194.55 and 73,458,087.30

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Solution

The fourth proportional to 87,488,129.70, 131,232,194.55 and 73,458,087.30 is: 110,187,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488,129.70 : 131,232,194.55 = 73,458,087.30 : x
  2. Step 2: Convert to fraction form
    87,488,129.70/131,232,194.55 = 73,458,087.30/x
  3. Step 3: Cross multiply
    87,488,129.70x = 131,232,194.55 × 73,458,087.30
  4. Step 4: Simplify right side
    87,488,129.70x = 9,640,066,003,824,484
  5. Step 5: Solve for x
    x = 9,640,066,003,824,484/87,488,129.70
  6. Step 6: Final answer
    x = 110,187,130.95

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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.