Home / 60,101,990.28-90,123,132.74-19,156,101.48

Finding the Fourth Proportional to 60,101,990.28, 90,123,132.74 and 19,156,101.48

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Solution

The fourth proportional to 60,101,990.28, 90,123,132.74 and 19,156,101.48 is: 28,724,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,101,990.28 : 90,123,132.74 = 19,156,101.48 : x
  2. Step 2: Convert to fraction form
    60,101,990.28/90,123,132.74 = 19,156,101.48/x
  3. Step 3: Cross multiply
    60,101,990.28x = 90,123,132.74 × 19,156,101.48
  4. Step 4: Simplify right side
    60,101,990.28x = 1,726,407,876,367,170
  5. Step 5: Solve for x
    x = 1,726,407,876,367,170/60,101,990.28
  6. Step 6: Final answer
    x = 28,724,637.38

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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.