Home / 58,080,198.40-87,120,297.60-38,969,900.80

Finding the Fourth Proportional to 58,080,198.40, 87,120,297.60 and 38,969,900.80

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Solution

The fourth proportional to 58,080,198.40, 87,120,297.60 and 38,969,900.80 is: 58,454,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,080,198.40 : 87,120,297.60 = 38,969,900.80 : x
  2. Step 2: Convert to fraction form
    58,080,198.40/87,120,297.60 = 38,969,900.80/x
  3. Step 3: Cross multiply
    58,080,198.40x = 87,120,297.60 × 38,969,900.80
  4. Step 4: Simplify right side
    58,080,198.40x = 3,395,069,355,138,477.50
  5. Step 5: Solve for x
    x = 3,395,069,355,138,477.50/58,080,198.40
  6. Step 6: Final answer
    x = 58,454,851.20

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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.