Home / 65,681,233.60-98,512,519.20-20,247,620.80

Finding the Fourth Proportional to 65,681,233.60, 98,512,519.20 and 20,247,620.80

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Solution

The fourth proportional to 65,681,233.60, 98,512,519.20 and 20,247,620.80 is: 30,368,554.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,681,233.60 : 98,512,519.20 = 20,247,620.80 : x
  2. Step 2: Convert to fraction form
    65,681,233.60/98,512,519.20 = 20,247,620.80/x
  3. Step 3: Cross multiply
    65,681,233.60x = 98,512,519.20 × 20,247,620.80
  4. Step 4: Simplify right side
    65,681,233.60x = 1,994,644,132,814,319.50
  5. Step 5: Solve for x
    x = 1,994,644,132,814,319.50/65,681,233.60
  6. Step 6: Final answer
    x = 30,368,554.66

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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.