Home / 168,508,049.70-252,762,074.55-137,897,048.10

Finding the Fourth Proportional to 168,508,049.70, 252,762,074.55 and 137,897,048.10

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Solution

The fourth proportional to 168,508,049.70, 252,762,074.55 and 137,897,048.10 is: 206,845,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,508,049.70 : 252,762,074.55 = 137,897,048.10 : x
  2. Step 2: Convert to fraction form
    168,508,049.70/252,762,074.55 = 137,897,048.10/x
  3. Step 3: Cross multiply
    168,508,049.70x = 252,762,074.55 × 137,897,048.10
  4. Step 4: Simplify right side
    168,508,049.70x = 34,855,143,952,077,136
  5. Step 5: Solve for x
    x = 34,855,143,952,077,136/168,508,049.70
  6. Step 6: Final answer
    x = 206,845,572.15

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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.