Home / 84,882,029.43-127,310,252.22-54,389,691.03

Finding the Fourth Proportional to 84,882,029.43, 127,310,252.22 and 54,389,691.03

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Solution

The fourth proportional to 84,882,029.43, 127,310,252.22 and 54,389,691.03 is: 81,576,339.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,882,029.43 : 127,310,252.22 = 54,389,691.03 : x
  2. Step 2: Convert to fraction form
    84,882,029.43/127,310,252.22 = 54,389,691.03/x
  3. Step 3: Cross multiply
    84,882,029.43x = 127,310,252.22 × 54,389,691.03
  4. Step 4: Simplify right side
    84,882,029.43x = 6,924,365,283,197,172
  5. Step 5: Solve for x
    x = 6,924,365,283,197,172/84,882,029.43
  6. Step 6: Final answer
    x = 81,576,339.89

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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.