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Finding the Fourth Proportional to 44,267,336.80, 66,413,446.80 and 21,548,975.20

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Solution

The fourth proportional to 44,267,336.80, 66,413,446.80 and 21,548,975.20 is: 32,329,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,267,336.80 : 66,413,446.80 = 21,548,975.20 : x
  2. Step 2: Convert to fraction form
    44,267,336.80/66,413,446.80 = 21,548,975.20/x
  3. Step 3: Cross multiply
    44,267,336.80x = 66,413,446.80 × 21,548,975.20
  4. Step 4: Simplify right side
    44,267,336.80x = 1,431,141,718,039,719.25
  5. Step 5: Solve for x
    x = 1,431,141,718,039,719.25/44,267,336.80
  6. Step 6: Final answer
    x = 32,329,519.27

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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.