Home / 78,246,200.70-117,369,301.05-49,524,767.10

Finding the Fourth Proportional to 78,246,200.70, 117,369,301.05 and 49,524,767.10

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Solution

The fourth proportional to 78,246,200.70, 117,369,301.05 and 49,524,767.10 is: 74,287,150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,246,200.70 : 117,369,301.05 = 49,524,767.10 : x
  2. Step 2: Convert to fraction form
    78,246,200.70/117,369,301.05 = 49,524,767.10/x
  3. Step 3: Cross multiply
    78,246,200.70x = 117,369,301.05 × 49,524,767.10
  4. Step 4: Simplify right side
    78,246,200.70x = 5,812,687,299,191,035
  5. Step 5: Solve for x
    x = 5,812,687,299,191,035/78,246,200.70
  6. Step 6: Final answer
    x = 74,287,150.65

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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.