Home / 123,287,146.88-170,134,177.68-68,281,822.40

Finding the Fourth Proportional to 123,287,146.88, 170,134,177.68 and 68,281,822.40

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Solution

The fourth proportional to 123,287,146.88, 170,134,177.68 and 68,281,822.40 is: 94,227,760.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,287,146.88 : 170,134,177.68 = 68,281,822.40 : x
  2. Step 2: Convert to fraction form
    123,287,146.88/170,134,177.68 = 68,281,822.40/x
  3. Step 3: Cross multiply
    123,287,146.88x = 170,134,177.68 × 68,281,822.40
  4. Step 4: Simplify right side
    123,287,146.88x = 11,617,071,703,665,132
  5. Step 5: Solve for x
    x = 11,617,071,703,665,132/123,287,146.88
  6. Step 6: Final answer
    x = 94,227,760.14

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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.