Home / 123,204,690.56-184,988,707.50-68,723,721.20

Finding the Fourth Proportional to 123,204,690.56, 184,988,707.50 and 68,723,721.20

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Solution

The fourth proportional to 123,204,690.56, 184,988,707.50 and 68,723,721.20 is: 103,186,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,204,690.56 : 184,988,707.50 = 68,723,721.20 : x
  2. Step 2: Convert to fraction form
    123,204,690.56/184,988,707.50 = 68,723,721.20/x
  3. Step 3: Cross multiply
    123,204,690.56x = 184,988,707.50 × 68,723,721.20
  4. Step 4: Simplify right side
    123,204,690.56x = 12,713,112,360,098,534
  5. Step 5: Solve for x
    x = 12,713,112,360,098,534/123,204,690.56
  6. Step 6: Final answer
    x = 103,186,918.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.