Home / 168,518,543.80-252,777,815.70-149,034,998.20

Finding the Fourth Proportional to 168,518,543.80, 252,777,815.70 and 149,034,998.20

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Solution

The fourth proportional to 168,518,543.80, 252,777,815.70 and 149,034,998.20 is: 223,552,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,518,543.80 : 252,777,815.70 = 149,034,998.20 : x
  2. Step 2: Convert to fraction form
    168,518,543.80/252,777,815.70 = 149,034,998.20/x
  3. Step 3: Cross multiply
    168,518,543.80x = 252,777,815.70 × 149,034,998.20
  4. Step 4: Simplify right side
    168,518,543.80x = 37,672,741,307,849,424
  5. Step 5: Solve for x
    x = 37,672,741,307,849,424/168,518,543.80
  6. Step 6: Final answer
    x = 223,552,497.30

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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.