Home / 203,454,010.62-305,195,724.73-85,159,799.39

Finding the Fourth Proportional to 203,454,010.62, 305,195,724.73 and 85,159,799.39

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Solution

The fourth proportional to 203,454,010.62, 305,195,724.73 and 85,159,799.39 is: 127,745,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,454,010.62 : 305,195,724.73 = 85,159,799.39 : x
  2. Step 2: Convert to fraction form
    203,454,010.62/305,195,724.73 = 85,159,799.39/x
  3. Step 3: Cross multiply
    203,454,010.62x = 305,195,724.73 × 85,159,799.39
  4. Step 4: Simplify right side
    203,454,010.62x = 25,990,406,690,953,588
  5. Step 5: Solve for x
    x = 25,990,406,690,953,588/203,454,010.62
  6. Step 6: Final answer
    x = 127,745,855.74

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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.