Home / 187,972,200.20-282,016,026.86-89,729,269.72

Finding the Fourth Proportional to 187,972,200.20, 282,016,026.86 and 89,729,269.72

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Solution

The fourth proportional to 187,972,200.20, 282,016,026.86 and 89,729,269.72 is: 134,621,460.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,972,200.20 : 282,016,026.86 = 89,729,269.72 : x
  2. Step 2: Convert to fraction form
    187,972,200.20/282,016,026.86 = 89,729,269.72/x
  3. Step 3: Cross multiply
    187,972,200.20x = 282,016,026.86 × 89,729,269.72
  4. Step 4: Simplify right side
    187,972,200.20x = 25,305,092,138,330,020
  5. Step 5: Solve for x
    x = 25,305,092,138,330,020/187,972,200.20
  6. Step 6: Final answer
    x = 134,621,460.57

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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.