Home / 200,399,930.18-300,505,149.02-77,635,759.94

Finding the Fourth Proportional to 200,399,930.18, 300,505,149.02 and 77,635,759.94

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Solution

The fourth proportional to 200,399,930.18, 300,505,149.02 and 77,635,759.94 is: 116,416,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,399,930.18 : 300,505,149.02 = 77,635,759.94 : x
  2. Step 2: Convert to fraction form
    200,399,930.18/300,505,149.02 = 77,635,759.94/x
  3. Step 3: Cross multiply
    200,399,930.18x = 300,505,149.02 × 77,635,759.94
  4. Step 4: Simplify right side
    200,399,930.18x = 23,329,945,610,050,644
  5. Step 5: Solve for x
    x = 23,329,945,610,050,644/200,399,930.18
  6. Step 6: Final answer
    x = 116,416,934.82

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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.