Home / 269,539,979.53-404,425,391.35-85,322,452.27

Finding the Fourth Proportional to 269,539,979.53, 404,425,391.35 and 85,322,452.27

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Solution

The fourth proportional to 269,539,979.53, 404,425,391.35 and 85,322,452.27 is: 128,020,215.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,539,979.53 : 404,425,391.35 = 85,322,452.27 : x
  2. Step 2: Convert to fraction form
    269,539,979.53/404,425,391.35 = 85,322,452.27/x
  3. Step 3: Cross multiply
    269,539,979.53x = 404,425,391.35 × 85,322,452.27
  4. Step 4: Simplify right side
    269,539,979.53x = 34,506,566,148,214,320
  5. Step 5: Solve for x
    x = 34,506,566,148,214,320/269,539,979.53
  6. Step 6: Final answer
    x = 128,020,215.07

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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.