Home / 87,619,846.40-131,177,827.20-53,607,622.40

Finding the Fourth Proportional to 87,619,846.40, 131,177,827.20 and 53,607,622.40

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Solution

The fourth proportional to 87,619,846.40, 131,177,827.20 and 53,607,622.40 is: 80,257,290.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,619,846.40 : 131,177,827.20 = 53,607,622.40 : x
  2. Step 2: Convert to fraction form
    87,619,846.40/131,177,827.20 = 53,607,622.40/x
  3. Step 3: Cross multiply
    87,619,846.40x = 131,177,827.20 × 53,607,622.40
  4. Step 4: Simplify right side
    87,619,846.40x = 7,032,131,427,790,049
  5. Step 5: Solve for x
    x = 7,032,131,427,790,049/87,619,846.40
  6. Step 6: Final answer
    x = 80,257,290.06

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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.