Home / 363,945,238-545,917,931.88-121,608,167.92

Finding the Fourth Proportional to 363,945,238, 545,917,931.88 and 121,608,167.92

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Solution

The fourth proportional to 363,945,238, 545,917,931.88 and 121,608,167.92 is: 182,412,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,945,238 : 545,917,931.88 = 121,608,167.92 : x
  2. Step 2: Convert to fraction form
    363,945,238/545,917,931.88 = 121,608,167.92/x
  3. Step 3: Cross multiply
    363,945,238x = 545,917,931.88 × 121,608,167.92
  4. Step 4: Simplify right side
    363,945,238x = 66,388,079,530,602,160
  5. Step 5: Solve for x
    x = 66,388,079,530,602,160/363,945,238
  6. Step 6: Final answer
    x = 182,412,276.90

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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.