Home / 55,042,734.72-82,099,713.12-47,797,291.20

Finding the Fourth Proportional to 55,042,734.72, 82,099,713.12 and 47,797,291.20

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Solution

The fourth proportional to 55,042,734.72, 82,099,713.12 and 47,797,291.20 is: 71,292,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,042,734.72 : 82,099,713.12 = 47,797,291.20 : x
  2. Step 2: Convert to fraction form
    55,042,734.72/82,099,713.12 = 47,797,291.20/x
  3. Step 3: Cross multiply
    55,042,734.72x = 82,099,713.12 × 47,797,291.20
  4. Step 4: Simplify right side
    55,042,734.72x = 3,924,143,895,433,101
  5. Step 5: Solve for x
    x = 3,924,143,895,433,101/55,042,734.72
  6. Step 6: Final answer
    x = 71,292,676.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.