Home / 87,461,454.40-131,192,181.60-82,758,529.60

Finding the Fourth Proportional to 87,461,454.40, 131,192,181.60 and 82,758,529.60

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Solution

The fourth proportional to 87,461,454.40, 131,192,181.60 and 82,758,529.60 is: 124,137,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,461,454.40 : 131,192,181.60 = 82,758,529.60 : x
  2. Step 2: Convert to fraction form
    87,461,454.40/131,192,181.60 = 82,758,529.60/x
  3. Step 3: Cross multiply
    87,461,454.40x = 131,192,181.60 × 82,758,529.60
  4. Step 4: Simplify right side
    87,461,454.40x = 10,857,272,044,232,174
  5. Step 5: Solve for x
    x = 10,857,272,044,232,174/87,461,454.40
  6. Step 6: Final answer
    x = 124,137,794.40

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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.