Home / 71,939,512.80-107,785,266.30-33,522,233.40

Finding the Fourth Proportional to 71,939,512.80, 107,785,266.30 and 33,522,233.40

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Solution

The fourth proportional to 71,939,512.80, 107,785,266.30 and 33,522,233.40 is: 50,225,567.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,939,512.80 : 107,785,266.30 = 33,522,233.40 : x
  2. Step 2: Convert to fraction form
    71,939,512.80/107,785,266.30 = 33,522,233.40/x
  3. Step 3: Cross multiply
    71,939,512.80x = 107,785,266.30 × 33,522,233.40
  4. Step 4: Simplify right side
    71,939,512.80x = 3,613,202,853,989,754
  5. Step 5: Solve for x
    x = 3,613,202,853,989,754/71,939,512.80
  6. Step 6: Final answer
    x = 50,225,567.47

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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.