Home / 55,145,066.20-82,717,599.30-51,743,843.80

Finding the Fourth Proportional to 55,145,066.20, 82,717,599.30 and 51,743,843.80

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Solution

The fourth proportional to 55,145,066.20, 82,717,599.30 and 51,743,843.80 is: 77,615,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,145,066.20 : 82,717,599.30 = 51,743,843.80 : x
  2. Step 2: Convert to fraction form
    55,145,066.20/82,717,599.30 = 51,743,843.80/x
  3. Step 3: Cross multiply
    55,145,066.20x = 82,717,599.30 × 51,743,843.80
  4. Step 4: Simplify right side
    55,145,066.20x = 4,280,126,537,690,189
  5. Step 5: Solve for x
    x = 4,280,126,537,690,189/55,145,066.20
  6. Step 6: Final answer
    x = 77,615,765.70

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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.