Home / 80,566,747.11-120,609,243.86-49,344,094.01

Finding the Fourth Proportional to 80,566,747.11, 120,609,243.86 and 49,344,094.01

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Solution

The fourth proportional to 80,566,747.11, 120,609,243.86 and 49,344,094.01 is: 73,868,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,566,747.11 : 120,609,243.86 = 49,344,094.01 : x
  2. Step 2: Convert to fraction form
    80,566,747.11/120,609,243.86 = 49,344,094.01/x
  3. Step 3: Cross multiply
    80,566,747.11x = 120,609,243.86 × 49,344,094.01
  4. Step 4: Simplify right side
    80,566,747.11x = 5,951,353,866,653,089
  5. Step 5: Solve for x
    x = 5,951,353,866,653,089/80,566,747.11
  6. Step 6: Final answer
    x = 73,868,613.05

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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.