Home / 48,513,563.86-66,978,932.12-30,882,414.55

Finding the Fourth Proportional to 48,513,563.86, 66,978,932.12 and 30,882,414.55

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Solution

The fourth proportional to 48,513,563.86, 66,978,932.12 and 30,882,414.55 is: 42,636,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,513,563.86 : 66,978,932.12 = 30,882,414.55 : x
  2. Step 2: Convert to fraction form
    48,513,563.86/66,978,932.12 = 30,882,414.55/x
  3. Step 3: Cross multiply
    48,513,563.86x = 66,978,932.12 × 30,882,414.55
  4. Step 4: Simplify right side
    48,513,563.86x = 2,068,471,147,846,150.25
  5. Step 5: Solve for x
    x = 2,068,471,147,846,150.25/48,513,563.86
  6. Step 6: Final answer
    x = 42,636,965.48

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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.