Home / 255,471,826.89-352,551,275.56-137,997,209.03

Finding the Fourth Proportional to 255,471,826.89, 352,551,275.56 and 137,997,209.03

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Solution

The fourth proportional to 255,471,826.89, 352,551,275.56 and 137,997,209.03 is: 190,436,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,471,826.89 : 352,551,275.56 = 137,997,209.03 : x
  2. Step 2: Convert to fraction form
    255,471,826.89/352,551,275.56 = 137,997,209.03/x
  3. Step 3: Cross multiply
    255,471,826.89x = 352,551,275.56 × 137,997,209.03
  4. Step 4: Simplify right side
    255,471,826.89x = 48,651,092,067,246,448
  5. Step 5: Solve for x
    x = 48,651,092,067,246,448/255,471,826.89
  6. Step 6: Final answer
    x = 190,436,231.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.