Home / 66,727,151.52-100,071,394.20-20,038,753.68

Finding the Fourth Proportional to 66,727,151.52, 100,071,394.20 and 20,038,753.68

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Solution

The fourth proportional to 66,727,151.52, 100,071,394.20 and 20,038,753.68 is: 30,052,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,727,151.52 : 100,071,394.20 = 20,038,753.68 : x
  2. Step 2: Convert to fraction form
    66,727,151.52/100,071,394.20 = 20,038,753.68/x
  3. Step 3: Cross multiply
    66,727,151.52x = 100,071,394.20 × 20,038,753.68
  4. Step 4: Simplify right side
    66,727,151.52x = 2,005,306,018,787,980.75
  5. Step 5: Solve for x
    x = 2,005,306,018,787,980.75/66,727,151.52
  6. Step 6: Final answer
    x = 30,052,324.63

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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.