Home / 159,117,191.08-219,569,853.31-89,489,119.86

Finding the Fourth Proportional to 159,117,191.08, 219,569,853.31 and 89,489,119.86

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Solution

The fourth proportional to 159,117,191.08, 219,569,853.31 and 89,489,119.86 is: 123,488,309.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,117,191.08 : 219,569,853.31 = 89,489,119.86 : x
  2. Step 2: Convert to fraction form
    159,117,191.08/219,569,853.31 = 89,489,119.86/x
  3. Step 3: Cross multiply
    159,117,191.08x = 219,569,853.31 × 89,489,119.86
  4. Step 4: Simplify right side
    159,117,191.08x = 19,649,112,920,053,764
  5. Step 5: Solve for x
    x = 19,649,112,920,053,764/159,117,191.08
  6. Step 6: Final answer
    x = 123,488,309.39

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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.