Home / 269,539,978.52-404,425,389.85-85,322,451.26

Finding the Fourth Proportional to 269,539,978.52, 404,425,389.85 and 85,322,451.26

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Solution

The fourth proportional to 269,539,978.52, 404,425,389.85 and 85,322,451.26 is: 128,020,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,539,978.52 : 404,425,389.85 = 85,322,451.26 : x
  2. Step 2: Convert to fraction form
    269,539,978.52/404,425,389.85 = 85,322,451.26/x
  3. Step 3: Cross multiply
    269,539,978.52x = 404,425,389.85 × 85,322,451.26
  4. Step 4: Simplify right side
    269,539,978.52x = 34,506,565,614,580,884
  5. Step 5: Solve for x
    x = 34,506,565,614,580,884/269,539,978.52
  6. Step 6: Final answer
    x = 128,020,213.56

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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.