Home / 115,150,704.30-173,103,970.05-81,306,441.90

Finding the Fourth Proportional to 115,150,704.30, 173,103,970.05 and 81,306,441.90

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Solution

The fourth proportional to 115,150,704.30, 173,103,970.05 and 81,306,441.90 is: 122,226,502.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,150,704.30 : 173,103,970.05 = 81,306,441.90 : x
  2. Step 2: Convert to fraction form
    115,150,704.30/173,103,970.05 = 81,306,441.90/x
  3. Step 3: Cross multiply
    115,150,704.30x = 173,103,970.05 × 81,306,441.90
  4. Step 4: Simplify right side
    115,150,704.30x = 14,074,467,883,529,668
  5. Step 5: Solve for x
    x = 14,074,467,883,529,668/115,150,704.30
  6. Step 6: Final answer
    x = 122,226,502.82

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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.