Home / 87,974,606.60-131,961,909.90-76,637,198.60

Finding the Fourth Proportional to 87,974,606.60, 131,961,909.90 and 76,637,198.60

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Solution

The fourth proportional to 87,974,606.60, 131,961,909.90 and 76,637,198.60 is: 114,955,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,974,606.60 : 131,961,909.90 = 76,637,198.60 : x
  2. Step 2: Convert to fraction form
    87,974,606.60/131,961,909.90 = 76,637,198.60/x
  3. Step 3: Cross multiply
    87,974,606.60x = 131,961,909.90 × 76,637,198.60
  4. Step 4: Simplify right side
    87,974,606.60x = 10,113,191,096,641,606
  5. Step 5: Solve for x
    x = 10,113,191,096,641,606/87,974,606.60
  6. Step 6: Final answer
    x = 114,955,797.90

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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.