Home / 87,360,339.60-131,040,509.40-29,843,989.20

Finding the Fourth Proportional to 87,360,339.60, 131,040,509.40 and 29,843,989.20

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Solution

The fourth proportional to 87,360,339.60, 131,040,509.40 and 29,843,989.20 is: 44,765,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,360,339.60 : 131,040,509.40 = 29,843,989.20 : x
  2. Step 2: Convert to fraction form
    87,360,339.60/131,040,509.40 = 29,843,989.20/x
  3. Step 3: Cross multiply
    87,360,339.60x = 131,040,509.40 × 29,843,989.20
  4. Step 4: Simplify right side
    87,360,339.60x = 3,910,771,547,296,098.50
  5. Step 5: Solve for x
    x = 3,910,771,547,296,098.50/87,360,339.60
  6. Step 6: Final answer
    x = 44,765,983.80

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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.