Home / 172,678,568.79-259,152,170.85-120,524,355.75

Finding the Fourth Proportional to 172,678,568.79, 259,152,170.85 and 120,524,355.75

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Solution

The fourth proportional to 172,678,568.79, 259,152,170.85 and 120,524,355.75 is: 180,880,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,678,568.79 : 259,152,170.85 = 120,524,355.75 : x
  2. Step 2: Convert to fraction form
    172,678,568.79/259,152,170.85 = 120,524,355.75/x
  3. Step 3: Cross multiply
    172,678,568.79x = 259,152,170.85 × 120,524,355.75
  4. Step 4: Simplify right side
    172,678,568.79x = 31,234,148,432,910,180
  5. Step 5: Solve for x
    x = 31,234,148,432,910,180/172,678,568.79
  6. Step 6: Final answer
    x = 180,880,283.24

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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.