Home / 172,678,560.73-259,152,158.82-120,524,347.75

Finding the Fourth Proportional to 172,678,560.73, 259,152,158.82 and 120,524,347.75

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Solution

The fourth proportional to 172,678,560.73, 259,152,158.82 and 120,524,347.75 is: 180,880,271.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,678,560.73 : 259,152,158.82 = 120,524,347.75 : x
  2. Step 2: Convert to fraction form
    172,678,560.73/259,152,158.82 = 120,524,347.75/x
  3. Step 3: Cross multiply
    172,678,560.73x = 259,152,158.82 × 120,524,347.75
  4. Step 4: Simplify right side
    172,678,560.73x = 31,234,144,909,784,908
  5. Step 5: Solve for x
    x = 31,234,144,909,784,908/172,678,560.73
  6. Step 6: Final answer
    x = 180,880,271.28

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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.