Home / 87,939,755.07-131,775,116.31-47,005,019.97

Finding the Fourth Proportional to 87,939,755.07, 131,775,116.31 and 47,005,019.97

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Solution

The fourth proportional to 87,939,755.07, 131,775,116.31 and 47,005,019.97 is: 70,435,629.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,939,755.07 : 131,775,116.31 = 47,005,019.97 : x
  2. Step 2: Convert to fraction form
    87,939,755.07/131,775,116.31 = 47,005,019.97/x
  3. Step 3: Cross multiply
    87,939,755.07x = 131,775,116.31 × 47,005,019.97
  4. Step 4: Simplify right side
    87,939,755.07x = 6,194,091,973,700,623
  5. Step 5: Solve for x
    x = 6,194,091,973,700,623/87,939,755.07
  6. Step 6: Final answer
    x = 70,435,629.13

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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.