Home / 87,402,310.80-131,119,212.60-36,289,496.40

Finding the Fourth Proportional to 87,402,310.80, 131,119,212.60 and 36,289,496.40

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Solution

The fourth proportional to 87,402,310.80, 131,119,212.60 and 36,289,496.40 is: 54,440,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,402,310.80 : 131,119,212.60 = 36,289,496.40 : x
  2. Step 2: Convert to fraction form
    87,402,310.80/131,119,212.60 = 36,289,496.40/x
  3. Step 3: Cross multiply
    87,402,310.80x = 131,119,212.60 × 36,289,496.40
  4. Step 4: Simplify right side
    87,402,310.80x = 4,758,250,193,618,534
  5. Step 5: Solve for x
    x = 4,758,250,193,618,534/87,402,310.80
  6. Step 6: Final answer
    x = 54,440,782.52

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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.