Home / 100,136,102.55-150,204,153.83-61,394,053.65

Finding the Fourth Proportional to 100,136,102.55, 150,204,153.83 and 61,394,053.65

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Solution

The fourth proportional to 100,136,102.55, 150,204,153.83 and 61,394,053.65 is: 92,091,080.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,136,102.55 : 150,204,153.83 = 61,394,053.65 : x
  2. Step 2: Convert to fraction form
    100,136,102.55/150,204,153.83 = 61,394,053.65/x
  3. Step 3: Cross multiply
    100,136,102.55x = 150,204,153.83 × 61,394,053.65
  4. Step 4: Simplify right side
    100,136,102.55x = 9,221,641,878,384,902
  5. Step 5: Solve for x
    x = 9,221,641,878,384,902/100,136,102.55
  6. Step 6: Final answer
    x = 92,091,080.48

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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.