Home / 87,575,626.71-120,834,320.13-52,286,576.22

Finding the Fourth Proportional to 87,575,626.71, 120,834,320.13 and 52,286,576.22

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Solution

The fourth proportional to 87,575,626.71, 120,834,320.13 and 52,286,576.22 is: 72,143,507.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,575,626.71 : 120,834,320.13 = 52,286,576.22 : x
  2. Step 2: Convert to fraction form
    87,575,626.71/120,834,320.13 = 52,286,576.22/x
  3. Step 3: Cross multiply
    87,575,626.71x = 120,834,320.13 × 52,286,576.22
  4. Step 4: Simplify right side
    87,575,626.71x = 6,318,012,889,469,125
  5. Step 5: Solve for x
    x = 6,318,012,889,469,125/87,575,626.71
  6. Step 6: Final answer
    x = 72,143,507.58

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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.