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Finding the Fourth Proportional to 43,715,344.80, 65,612,674.80 and 22,164,938.40

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Solution

The fourth proportional to 43,715,344.80, 65,612,674.80 and 22,164,938.40 is: 33,267,515.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,715,344.80 : 65,612,674.80 = 22,164,938.40 : x
  2. Step 2: Convert to fraction form
    43,715,344.80/65,612,674.80 = 22,164,938.40/x
  3. Step 3: Cross multiply
    43,715,344.80x = 65,612,674.80 × 22,164,938.40
  4. Step 4: Simplify right side
    43,715,344.80x = 1,454,300,895,201,232.25
  5. Step 5: Solve for x
    x = 1,454,300,895,201,232.25/43,715,344.80
  6. Step 6: Final answer
    x = 33,267,515.14

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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.