Home / 172,860,879.66-259,195,638.24-70,696,661.82

Finding the Fourth Proportional to 172,860,879.66, 259,195,638.24 and 70,696,661.82

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Solution

The fourth proportional to 172,860,879.66, 259,195,638.24 and 70,696,661.82 is: 106,005,861.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,860,879.66 : 259,195,638.24 = 70,696,661.82 : x
  2. Step 2: Convert to fraction form
    172,860,879.66/259,195,638.24 = 70,696,661.82/x
  3. Step 3: Cross multiply
    172,860,879.66x = 259,195,638.24 × 70,696,661.82
  4. Step 4: Simplify right side
    172,860,879.66x = 18,324,266,381,872,340
  5. Step 5: Solve for x
    x = 18,324,266,381,872,340/172,860,879.66
  6. Step 6: Final answer
    x = 106,005,861.00

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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.