Home / 136,761,491.12-188,713,566.60-108,954,726.80

Finding the Fourth Proportional to 136,761,491.12, 188,713,566.60 and 108,954,726.80

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Solution

The fourth proportional to 136,761,491.12, 188,713,566.60 and 108,954,726.80 is: 150,343,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,761,491.12 : 188,713,566.60 = 108,954,726.80 : x
  2. Step 2: Convert to fraction form
    136,761,491.12/188,713,566.60 = 108,954,726.80/x
  3. Step 3: Cross multiply
    136,761,491.12x = 188,713,566.60 × 108,954,726.80
  4. Step 4: Simplify right side
    136,761,491.12x = 20,561,235,092,356,604
  5. Step 5: Solve for x
    x = 20,561,235,092,356,604/136,761,491.12
  6. Step 6: Final answer
    x = 150,343,747.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.