Home / 281,570,691.60-422,387,924.08-252,639,043.52

Finding the Fourth Proportional to 281,570,691.60, 422,387,924.08 and 252,639,043.52

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Solution

The fourth proportional to 281,570,691.60, 422,387,924.08 and 252,639,043.52 is: 378,987,175.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,570,691.60 : 422,387,924.08 = 252,639,043.52 : x
  2. Step 2: Convert to fraction form
    281,570,691.60/422,387,924.08 = 252,639,043.52/x
  3. Step 3: Cross multiply
    281,570,691.60x = 422,387,924.08 × 252,639,043.52
  4. Step 4: Simplify right side
    281,570,691.60x = 106,711,681,133,969,584
  5. Step 5: Solve for x
    x = 106,711,681,133,969,584/281,570,691.60
  6. Step 6: Final answer
    x = 378,987,175.57

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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.