Home / 65,416,135.62-90,274,872.60-36,048,519.18

Finding the Fourth Proportional to 65,416,135.62, 90,274,872.60 and 36,048,519.18

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Solution

The fourth proportional to 65,416,135.62, 90,274,872.60 and 36,048,519.18 is: 49,747,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,416,135.62 : 90,274,872.60 = 36,048,519.18 : x
  2. Step 2: Convert to fraction form
    65,416,135.62/90,274,872.60 = 36,048,519.18/x
  3. Step 3: Cross multiply
    65,416,135.62x = 90,274,872.60 × 36,048,519.18
  4. Step 4: Simplify right side
    65,416,135.62x = 3,254,275,476,393,156
  5. Step 5: Solve for x
    x = 3,254,275,476,393,156/65,416,135.62
  6. Step 6: Final answer
    x = 49,747,290.11

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Why These Related Problems?

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