Home / 87,343,676.10-131,015,514.15-86,776,805.70

Finding the Fourth Proportional to 87,343,676.10, 131,015,514.15 and 86,776,805.70

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Solution

The fourth proportional to 87,343,676.10, 131,015,514.15 and 86,776,805.70 is: 130,165,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,343,676.10 : 131,015,514.15 = 86,776,805.70 : x
  2. Step 2: Convert to fraction form
    87,343,676.10/131,015,514.15 = 86,776,805.70/x
  3. Step 3: Cross multiply
    87,343,676.10x = 131,015,514.15 × 86,776,805.70
  4. Step 4: Simplify right side
    87,343,676.10x = 11,369,107,815,080,152
  5. Step 5: Solve for x
    x = 11,369,107,815,080,152/87,343,676.10
  6. Step 6: Final answer
    x = 130,165,208.55

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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.