Home / 282,437,092.60-389,753,246.82-155,276,845.12

Finding the Fourth Proportional to 282,437,092.60, 389,753,246.82 and 155,276,845.12

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Solution

The fourth proportional to 282,437,092.60, 389,753,246.82 and 155,276,845.12 is: 214,276,580.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,437,092.60 : 389,753,246.82 = 155,276,845.12 : x
  2. Step 2: Convert to fraction form
    282,437,092.60/389,753,246.82 = 155,276,845.12/x
  3. Step 3: Cross multiply
    282,437,092.60x = 389,753,246.82 × 155,276,845.12
  4. Step 4: Simplify right side
    282,437,092.60x = 60,519,654,541,486,272
  5. Step 5: Solve for x
    x = 60,519,654,541,486,272/282,437,092.60
  6. Step 6: Final answer
    x = 214,276,580.97

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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.