Home / 58,080,120.40-87,120,180.60-38,969,822.80

Finding the Fourth Proportional to 58,080,120.40, 87,120,180.60 and 38,969,822.80

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Solution

The fourth proportional to 58,080,120.40, 87,120,180.60 and 38,969,822.80 is: 58,454,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,080,120.40 : 87,120,180.60 = 38,969,822.80 : x
  2. Step 2: Convert to fraction form
    58,080,120.40/87,120,180.60 = 38,969,822.80/x
  3. Step 3: Cross multiply
    58,080,120.40x = 87,120,180.60 × 38,969,822.80
  4. Step 4: Simplify right side
    58,080,120.40x = 3,395,058,000,285,997
  5. Step 5: Solve for x
    x = 3,395,058,000,285,997/58,080,120.40
  6. Step 6: Final answer
    x = 58,454,734.20

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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.