Home / 159,117,188.98-219,569,850.42-89,489,117.77

Finding the Fourth Proportional to 159,117,188.98, 219,569,850.42 and 89,489,117.77

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Solution

The fourth proportional to 159,117,188.98, 219,569,850.42 and 89,489,117.77 is: 123,488,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,117,188.98 : 219,569,850.42 = 89,489,117.77 : x
  2. Step 2: Convert to fraction form
    159,117,188.98/219,569,850.42 = 89,489,117.77/x
  3. Step 3: Cross multiply
    159,117,188.98x = 219,569,850.42 × 89,489,117.77
  4. Step 4: Simplify right side
    159,117,188.98x = 19,649,112,202,976,660
  5. Step 5: Solve for x
    x = 19,649,112,202,976,660/159,117,188.98
  6. Step 6: Final answer
    x = 123,488,306.51

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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.