Home / 172,680,100.88-259,154,471.16-120,525,889.04

Finding the Fourth Proportional to 172,680,100.88, 259,154,471.16 and 120,525,889.04

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Solution

The fourth proportional to 172,680,100.88, 259,154,471.16 and 120,525,889.04 is: 180,882,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,680,100.88 : 259,154,471.16 = 120,525,889.04 : x
  2. Step 2: Convert to fraction form
    172,680,100.88/259,154,471.16 = 120,525,889.04/x
  3. Step 3: Cross multiply
    172,680,100.88x = 259,154,471.16 × 120,525,889.04
  4. Step 4: Simplify right side
    172,680,100.88x = 31,234,823,035,250,040
  5. Step 5: Solve for x
    x = 31,234,823,035,250,040/172,680,100.88
  6. Step 6: Final answer
    x = 180,882,585.06

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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.