Home / 135,666,508.48-187,268,480.08-80,662,233.76

Finding the Fourth Proportional to 135,666,508.48, 187,268,480.08 and 80,662,233.76

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Solution

The fourth proportional to 135,666,508.48, 187,268,480.08 and 80,662,233.76 is: 111,342,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,666,508.48 : 187,268,480.08 = 80,662,233.76 : x
  2. Step 2: Convert to fraction form
    135,666,508.48/187,268,480.08 = 80,662,233.76/x
  3. Step 3: Cross multiply
    135,666,508.48x = 187,268,480.08 × 80,662,233.76
  4. Step 4: Simplify right side
    135,666,508.48x = 15,105,493,916,092,866
  5. Step 5: Solve for x
    x = 15,105,493,916,092,866/135,666,508.48
  6. Step 6: Final answer
    x = 111,342,836.82

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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.