Home / 231,072,542.40-346,524,832.80-77,723,601.60

Finding the Fourth Proportional to 231,072,542.40, 346,524,832.80 and 77,723,601.60

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Solution

The fourth proportional to 231,072,542.40, 346,524,832.80 and 77,723,601.60 is: 116,557,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,072,542.40 : 346,524,832.80 = 77,723,601.60 : x
  2. Step 2: Convert to fraction form
    231,072,542.40/346,524,832.80 = 77,723,601.60/x
  3. Step 3: Cross multiply
    231,072,542.40x = 346,524,832.80 × 77,723,601.60
  4. Step 4: Simplify right side
    231,072,542.40x = 26,933,158,049,053,812
  5. Step 5: Solve for x
    x = 26,933,158,049,053,812/231,072,542.40
  6. Step 6: Final answer
    x = 116,557,154.60

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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.