Home / 86,540,191.16-119,425,469.92-47,381,970.74

Finding the Fourth Proportional to 86,540,191.16, 119,425,469.92 and 47,381,970.74

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Solution

The fourth proportional to 86,540,191.16, 119,425,469.92 and 47,381,970.74 is: 65,387,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,540,191.16 : 119,425,469.92 = 47,381,970.74 : x
  2. Step 2: Convert to fraction form
    86,540,191.16/119,425,469.92 = 47,381,970.74/x
  3. Step 3: Cross multiply
    86,540,191.16x = 119,425,469.92 × 47,381,970.74
  4. Step 4: Simplify right side
    86,540,191.16x = 5,658,614,120,644,608
  5. Step 5: Solve for x
    x = 5,658,614,120,644,608/86,540,191.16
  6. Step 6: Final answer
    x = 65,387,122.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.