Home / 218,272,079.20-327,453,608.40-72,750,848.80

Finding the Fourth Proportional to 218,272,079.20, 327,453,608.40 and 72,750,848.80

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Solution

The fourth proportional to 218,272,079.20, 327,453,608.40 and 72,750,848.80 is: 109,141,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,272,079.20 : 327,453,608.40 = 72,750,848.80 : x
  2. Step 2: Convert to fraction form
    218,272,079.20/327,453,608.40 = 72,750,848.80/x
  3. Step 3: Cross multiply
    218,272,079.20x = 327,453,608.40 × 72,750,848.80
  4. Step 4: Simplify right side
    218,272,079.20x = 23,822,527,953,722,808
  5. Step 5: Solve for x
    x = 23,822,527,953,722,808/218,272,079.20
  6. Step 6: Final answer
    x = 109,141,435.04

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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.