Home / 253,711,119.96-350,130,951.72-142,204,003.56

Finding the Fourth Proportional to 253,711,119.96, 350,130,951.72 and 142,204,003.56

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Solution

The fourth proportional to 253,711,119.96, 350,130,951.72 and 142,204,003.56 is: 196,246,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,711,119.96 : 350,130,951.72 = 142,204,003.56 : x
  2. Step 2: Convert to fraction form
    253,711,119.96/350,130,951.72 = 142,204,003.56/x
  3. Step 3: Cross multiply
    253,711,119.96x = 350,130,951.72 × 142,204,003.56
  4. Step 4: Simplify right side
    253,711,119.96x = 49,790,023,104,857,072
  5. Step 5: Solve for x
    x = 49,790,023,104,857,072/253,711,119.96
  6. Step 6: Final answer
    x = 196,246,909.13

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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.