Home / 147,987,351.60-221,981,027.40-45,761,722.80

Finding the Fourth Proportional to 147,987,351.60, 221,981,027.40 and 45,761,722.80

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Solution

The fourth proportional to 147,987,351.60, 221,981,027.40 and 45,761,722.80 is: 68,642,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,987,351.60 : 221,981,027.40 = 45,761,722.80 : x
  2. Step 2: Convert to fraction form
    147,987,351.60/221,981,027.40 = 45,761,722.80/x
  3. Step 3: Cross multiply
    147,987,351.60x = 221,981,027.40 × 45,761,722.80
  4. Step 4: Simplify right side
    147,987,351.60x = 10,158,234,242,738,004
  5. Step 5: Solve for x
    x = 10,158,234,242,738,004/147,987,351.60
  6. Step 6: Final answer
    x = 68,642,584.20

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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.