Home / 80,630,112.41-111,266,350.20-47,601,001.19

Finding the Fourth Proportional to 80,630,112.41, 111,266,350.20 and 47,601,001.19

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Solution

The fourth proportional to 80,630,112.41, 111,266,350.20 and 47,601,001.19 is: 65,687,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,630,112.41 : 111,266,350.20 = 47,601,001.19 : x
  2. Step 2: Convert to fraction form
    80,630,112.41/111,266,350.20 = 47,601,001.19/x
  3. Step 3: Cross multiply
    80,630,112.41x = 111,266,350.20 × 47,601,001.19
  4. Step 4: Simplify right side
    80,630,112.41x = 5,296,389,667,720,825
  5. Step 5: Solve for x
    x = 5,296,389,667,720,825/80,630,112.41
  6. Step 6: Final answer
    x = 65,687,489.57

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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.