Home / 147,987,355.60-221,981,033.40-45,761,726.80

Finding the Fourth Proportional to 147,987,355.60, 221,981,033.40 and 45,761,726.80

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Solution

The fourth proportional to 147,987,355.60, 221,981,033.40 and 45,761,726.80 is: 68,642,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,987,355.60 : 221,981,033.40 = 45,761,726.80 : x
  2. Step 2: Convert to fraction form
    147,987,355.60/221,981,033.40 = 45,761,726.80/x
  3. Step 3: Cross multiply
    147,987,355.60x = 221,981,033.40 × 45,761,726.80
  4. Step 4: Simplify right side
    147,987,355.60x = 10,158,235,405,232,474
  5. Step 5: Solve for x
    x = 10,158,235,405,232,474/147,987,355.60
  6. Step 6: Final answer
    x = 68,642,590.20

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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.