Home / 89,331,633.20-133,997,449.80-43,982,001.20

Finding the Fourth Proportional to 89,331,633.20, 133,997,449.80 and 43,982,001.20

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Solution

The fourth proportional to 89,331,633.20, 133,997,449.80 and 43,982,001.20 is: 65,973,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,331,633.20 : 133,997,449.80 = 43,982,001.20 : x
  2. Step 2: Convert to fraction form
    89,331,633.20/133,997,449.80 = 43,982,001.20/x
  3. Step 3: Cross multiply
    89,331,633.20x = 133,997,449.80 × 43,982,001.20
  4. Step 4: Simplify right side
    89,331,633.20x = 5,893,475,997,900,540
  5. Step 5: Solve for x
    x = 5,893,475,997,900,540/89,331,633.20
  6. Step 6: Final answer
    x = 65,973,001.80

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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.