Home / 218,272,068.80-327,408,103.20-149,397,315.20

Finding the Fourth Proportional to 218,272,068.80, 327,408,103.20 and 149,397,315.20

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Solution

The fourth proportional to 218,272,068.80, 327,408,103.20 and 149,397,315.20 is: 224,095,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,272,068.80 : 327,408,103.20 = 149,397,315.20 : x
  2. Step 2: Convert to fraction form
    218,272,068.80/327,408,103.20 = 149,397,315.20/x
  3. Step 3: Cross multiply
    218,272,068.80x = 327,408,103.20 × 149,397,315.20
  4. Step 4: Simplify right side
    218,272,068.80x = 48,913,891,592,804,520
  5. Step 5: Solve for x
    x = 48,913,891,592,804,520/218,272,068.80
  6. Step 6: Final answer
    x = 224,095,972.80

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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.