Home / 159,117,189.98-219,569,851.80-89,489,118.77

Finding the Fourth Proportional to 159,117,189.98, 219,569,851.80 and 89,489,118.77

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Solution

The fourth proportional to 159,117,189.98, 219,569,851.80 and 89,489,118.77 is: 123,488,307.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,117,189.98 : 219,569,851.80 = 89,489,118.77 : x
  2. Step 2: Convert to fraction form
    159,117,189.98/219,569,851.80 = 89,489,118.77/x
  3. Step 3: Cross multiply
    159,117,189.98x = 219,569,851.80 × 89,489,118.77
  4. Step 4: Simplify right side
    159,117,189.98x = 19,649,112,546,041,500
  5. Step 5: Solve for x
    x = 19,649,112,546,041,500/159,117,189.98
  6. Step 6: Final answer
    x = 123,488,307.88

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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.