Home / 178,917,502.80-268,218,790.20-121,222,693.20

Finding the Fourth Proportional to 178,917,502.80, 268,218,790.20 and 121,222,693.20

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Solution

The fourth proportional to 178,917,502.80, 268,218,790.20 and 121,222,693.20 is: 181,727,352.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,917,502.80 : 268,218,790.20 = 121,222,693.20 : x
  2. Step 2: Convert to fraction form
    178,917,502.80/268,218,790.20 = 121,222,693.20/x
  3. Step 3: Cross multiply
    178,917,502.80x = 268,218,790.20 × 121,222,693.20
  4. Step 4: Simplify right side
    178,917,502.80x = 32,514,204,114,889,764
  5. Step 5: Solve for x
    x = 32,514,204,114,889,764/178,917,502.80
  6. Step 6: Final answer
    x = 181,727,352.58

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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.