Home / 40,668,135.40-61,002,203.10-13,741,402.60

Finding the Fourth Proportional to 40,668,135.40, 61,002,203.10 and 13,741,402.60

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Solution

The fourth proportional to 40,668,135.40, 61,002,203.10 and 13,741,402.60 is: 20,612,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,668,135.40 : 61,002,203.10 = 13,741,402.60 : x
  2. Step 2: Convert to fraction form
    40,668,135.40/61,002,203.10 = 13,741,402.60/x
  3. Step 3: Cross multiply
    40,668,135.40x = 61,002,203.10 × 13,741,402.60
  4. Step 4: Simplify right side
    40,668,135.40x = 838,255,832,284,068
  5. Step 5: Solve for x
    x = 838,255,832,284,068/40,668,135.40
  6. Step 6: Final answer
    x = 20,612,103.90

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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.