Home / 218,482,644.80-327,723,967.20-116,445,972.80

Finding the Fourth Proportional to 218,482,644.80, 327,723,967.20 and 116,445,972.80

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Solution

The fourth proportional to 218,482,644.80, 327,723,967.20 and 116,445,972.80 is: 174,668,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,482,644.80 : 327,723,967.20 = 116,445,972.80 : x
  2. Step 2: Convert to fraction form
    218,482,644.80/327,723,967.20 = 116,445,972.80/x
  3. Step 3: Cross multiply
    218,482,644.80x = 327,723,967.20 × 116,445,972.80
  4. Step 4: Simplify right side
    218,482,644.80x = 38,162,136,170,479,288
  5. Step 5: Solve for x
    x = 38,162,136,170,479,288/218,482,644.80
  6. Step 6: Final answer
    x = 174,668,959.20

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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.