Home / 65,373,132.80-90,208,247.20-40,251,252.80

Finding the Fourth Proportional to 65,373,132.80, 90,208,247.20 and 40,251,252.80

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Solution

The fourth proportional to 65,373,132.80, 90,208,247.20 and 40,251,252.80 is: 55,542,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,373,132.80 : 90,208,247.20 = 40,251,252.80 : x
  2. Step 2: Convert to fraction form
    65,373,132.80/90,208,247.20 = 40,251,252.80/x
  3. Step 3: Cross multiply
    65,373,132.80x = 90,208,247.20 × 40,251,252.80
  4. Step 4: Simplify right side
    65,373,132.80x = 3,630,994,962,692,092
  5. Step 5: Solve for x
    x = 3,630,994,962,692,092/65,373,132.80
  6. Step 6: Final answer
    x = 55,542,618.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.