Home / 123,204,693.57-184,988,712-68,723,724.21

Finding the Fourth Proportional to 123,204,693.57, 184,988,712 and 68,723,724.21

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Solution

The fourth proportional to 123,204,693.57, 184,988,712 and 68,723,724.21 is: 103,186,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,204,693.57 : 184,988,712 = 68,723,724.21 : x
  2. Step 2: Convert to fraction form
    123,204,693.57/184,988,712 = 68,723,724.21/x
  3. Step 3: Cross multiply
    123,204,693.57x = 184,988,712 × 68,723,724.21
  4. Step 4: Simplify right side
    123,204,693.57x = 12,713,113,225,451,116
  5. Step 5: Solve for x
    x = 12,713,113,225,451,116/123,204,693.57
  6. Step 6: Final answer
    x = 103,186,922.97

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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.