Home / 218,272,347.80-327,408,521.70-149,397,594.20

Finding the Fourth Proportional to 218,272,347.80, 327,408,521.70 and 149,397,594.20

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Solution

The fourth proportional to 218,272,347.80, 327,408,521.70 and 149,397,594.20 is: 224,096,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,272,347.80 : 327,408,521.70 = 149,397,594.20 : x
  2. Step 2: Convert to fraction form
    218,272,347.80/327,408,521.70 = 149,397,594.20/x
  3. Step 3: Cross multiply
    218,272,347.80x = 327,408,521.70 × 149,397,594.20
  4. Step 4: Simplify right side
    218,272,347.80x = 48,914,045,462,558,488
  5. Step 5: Solve for x
    x = 48,914,045,462,558,488/218,272,347.80
  6. Step 6: Final answer
    x = 224,096,391.30

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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.