Home / 87,324,714.81-120,505,995.27-48,165,650.55

Finding the Fourth Proportional to 87,324,714.81, 120,505,995.27 and 48,165,650.55

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Solution

The fourth proportional to 87,324,714.81, 120,505,995.27 and 48,165,650.55 is: 66,467,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,324,714.81 : 120,505,995.27 = 48,165,650.55 : x
  2. Step 2: Convert to fraction form
    87,324,714.81/120,505,995.27 = 48,165,650.55/x
  3. Step 3: Cross multiply
    87,324,714.81x = 120,505,995.27 × 48,165,650.55
  4. Step 4: Simplify right side
    87,324,714.81x = 5,804,249,657,354,772
  5. Step 5: Solve for x
    x = 5,804,249,657,354,772/87,324,714.81
  6. Step 6: Final answer
    x = 66,467,433.30

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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.