Home / 87,416,772.09-131,060,514.85-52,865,492.52

Finding the Fourth Proportional to 87,416,772.09, 131,060,514.85 and 52,865,492.52

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Solution

The fourth proportional to 87,416,772.09, 131,060,514.85 and 52,865,492.52 is: 79,259,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,416,772.09 : 131,060,514.85 = 52,865,492.52 : x
  2. Step 2: Convert to fraction form
    87,416,772.09/131,060,514.85 = 52,865,492.52/x
  3. Step 3: Cross multiply
    87,416,772.09x = 131,060,514.85 × 52,865,492.52
  4. Step 4: Simplify right side
    87,416,772.09x = 6,928,578,668,126,970
  5. Step 5: Solve for x
    x = 6,928,578,668,126,970/87,416,772.09
  6. Step 6: Final answer
    x = 79,259,145.61

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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.