Home / 56,121,031.20-84,165,800.40-17,794,293.60

Finding the Fourth Proportional to 56,121,031.20, 84,165,800.40 and 17,794,293.60

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Solution

The fourth proportional to 56,121,031.20, 84,165,800.40 and 17,794,293.60 is: 26,686,447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,121,031.20 : 84,165,800.40 = 17,794,293.60 : x
  2. Step 2: Convert to fraction form
    56,121,031.20/84,165,800.40 = 17,794,293.60/x
  3. Step 3: Cross multiply
    56,121,031.20x = 84,165,800.40 × 17,794,293.60
  4. Step 4: Simplify right side
    56,121,031.20x = 1,497,670,963,396,597.75
  5. Step 5: Solve for x
    x = 1,497,670,963,396,597.75/56,121,031.20
  6. Step 6: Final answer
    x = 26,686,447.69

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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.