Home / 100,382,022.80-150,573,034.20-74,872,854.80

Finding the Fourth Proportional to 100,382,022.80, 150,573,034.20 and 74,872,854.80

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Solution

The fourth proportional to 100,382,022.80, 150,573,034.20 and 74,872,854.80 is: 112,309,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,382,022.80 : 150,573,034.20 = 74,872,854.80 : x
  2. Step 2: Convert to fraction form
    100,382,022.80/150,573,034.20 = 74,872,854.80/x
  3. Step 3: Cross multiply
    100,382,022.80x = 150,573,034.20 × 74,872,854.80
  4. Step 4: Simplify right side
    100,382,022.80x = 11,273,832,926,452,032
  5. Step 5: Solve for x
    x = 11,273,832,926,452,032/100,382,022.80
  6. Step 6: Final answer
    x = 112,309,282.20

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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.