Home / 187,508,856.79-258,737,683.39-108,126,850.24

Finding the Fourth Proportional to 187,508,856.79, 258,737,683.39 and 108,126,850.24

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Solution

The fourth proportional to 187,508,856.79, 258,737,683.39 and 108,126,850.24 is: 149,200,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,508,856.79 : 258,737,683.39 = 108,126,850.24 : x
  2. Step 2: Convert to fraction form
    187,508,856.79/258,737,683.39 = 108,126,850.24/x
  3. Step 3: Cross multiply
    187,508,856.79x = 258,737,683.39 × 108,126,850.24
  4. Step 4: Simplify right side
    187,508,856.79x = 27,976,490,743,355,064
  5. Step 5: Solve for x
    x = 27,976,490,743,355,064/187,508,856.79
  6. Step 6: Final answer
    x = 149,200,902.95

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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.