Home / 151,530,358.52-209,168,759.82-99,322,757.24

Finding the Fourth Proportional to 151,530,358.52, 209,168,759.82 and 99,322,757.24

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Solution

The fourth proportional to 151,530,358.52, 209,168,759.82 and 99,322,757.24 is: 137,102,678.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,530,358.52 : 209,168,759.82 = 99,322,757.24 : x
  2. Step 2: Convert to fraction form
    151,530,358.52/209,168,759.82 = 99,322,757.24/x
  3. Step 3: Cross multiply
    151,530,358.52x = 209,168,759.82 × 99,322,757.24
  4. Step 4: Simplify right side
    151,530,358.52x = 20,775,217,953,793,724
  5. Step 5: Solve for x
    x = 20,775,217,953,793,724/151,530,358.52
  6. Step 6: Final answer
    x = 137,102,678.02

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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.