Home / 168,496,515.90-252,744,773.85-137,885,514.30

Finding the Fourth Proportional to 168,496,515.90, 252,744,773.85 and 137,885,514.30

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Solution

The fourth proportional to 168,496,515.90, 252,744,773.85 and 137,885,514.30 is: 206,828,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,496,515.90 : 252,744,773.85 = 137,885,514.30 : x
  2. Step 2: Convert to fraction form
    168,496,515.90/252,744,773.85 = 137,885,514.30/x
  3. Step 3: Cross multiply
    168,496,515.90x = 252,744,773.85 × 137,885,514.30
  4. Step 4: Simplify right side
    168,496,515.90x = 34,849,843,128,944,444
  5. Step 5: Solve for x
    x = 34,849,843,128,944,444/168,496,515.90
  6. Step 6: Final answer
    x = 206,828,271.45

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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.