Home / 80,630,278.58-111,266,578.92-47,601,167.18

Finding the Fourth Proportional to 80,630,278.58, 111,266,578.92 and 47,601,167.18

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Solution

The fourth proportional to 80,630,278.58, 111,266,578.92 and 47,601,167.18 is: 65,687,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,630,278.58 : 111,266,578.92 = 47,601,167.18 : x
  2. Step 2: Convert to fraction form
    80,630,278.58/111,266,578.92 = 47,601,167.18/x
  3. Step 3: Cross multiply
    80,630,278.58x = 111,266,578.92 × 47,601,167.18
  4. Step 4: Simplify right side
    80,630,278.58x = 5,296,419,024,717,584
  5. Step 5: Solve for x
    x = 5,296,419,024,717,584/80,630,278.58
  6. Step 6: Final answer
    x = 65,687,718.29

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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.