Home / 123,287,161.92-170,134,198.38-68,281,837.44

Finding the Fourth Proportional to 123,287,161.92, 170,134,198.38 and 68,281,837.44

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Solution

The fourth proportional to 123,287,161.92, 170,134,198.38 and 68,281,837.44 is: 94,227,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,287,161.92 : 170,134,198.38 = 68,281,837.44 : x
  2. Step 2: Convert to fraction form
    123,287,161.92/170,134,198.38 = 68,281,837.44/x
  3. Step 3: Cross multiply
    123,287,161.92x = 170,134,198.38 × 68,281,837.44
  4. Step 4: Simplify right side
    123,287,161.92x = 11,617,075,676,767,870
  5. Step 5: Solve for x
    x = 11,617,075,676,767,870/123,287,161.92
  6. Step 6: Final answer
    x = 94,227,780.86

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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.