Home / 100,136,314.80-150,204,472.20-61,394,265.90

Finding the Fourth Proportional to 100,136,314.80, 150,204,472.20 and 61,394,265.90

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Solution

The fourth proportional to 100,136,314.80, 150,204,472.20 and 61,394,265.90 is: 92,091,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,136,314.80 : 150,204,472.20 = 61,394,265.90 : x
  2. Step 2: Convert to fraction form
    100,136,314.80/150,204,472.20 = 61,394,265.90/x
  3. Step 3: Cross multiply
    100,136,314.80x = 150,204,472.20 × 61,394,265.90
  4. Step 4: Simplify right side
    100,136,314.80x = 9,221,693,305,615,958
  5. Step 5: Solve for x
    x = 9,221,693,305,615,958/100,136,314.80
  6. Step 6: Final answer
    x = 92,091,398.85

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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.