Home / 87,664,580.10-131,496,870.15-73,421,961.30

Finding the Fourth Proportional to 87,664,580.10, 131,496,870.15 and 73,421,961.30

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Solution

The fourth proportional to 87,664,580.10, 131,496,870.15 and 73,421,961.30 is: 110,132,941.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,664,580.10 : 131,496,870.15 = 73,421,961.30 : x
  2. Step 2: Convert to fraction form
    87,664,580.10/131,496,870.15 = 73,421,961.30/x
  3. Step 3: Cross multiply
    87,664,580.10x = 131,496,870.15 × 73,421,961.30
  4. Step 4: Simplify right side
    87,664,580.10x = 9,654,758,111,224,426
  5. Step 5: Solve for x
    x = 9,654,758,111,224,426/87,664,580.10
  6. Step 6: Final answer
    x = 110,132,941.95

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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.