Home / 172,679,305.01-259,153,275.62-120,525,091.97

Finding the Fourth Proportional to 172,679,305.01, 259,153,275.62 and 120,525,091.97

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Solution

The fourth proportional to 172,679,305.01, 259,153,275.62 and 120,525,091.97 is: 180,881,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,679,305.01 : 259,153,275.62 = 120,525,091.97 : x
  2. Step 2: Convert to fraction form
    172,679,305.01/259,153,275.62 = 120,525,091.97/x
  3. Step 3: Cross multiply
    172,679,305.01x = 259,153,275.62 × 120,525,091.97
  4. Step 4: Simplify right side
    172,679,305.01x = 31,234,472,377,432,808
  5. Step 5: Solve for x
    x = 31,234,472,377,432,808/172,679,305.01
  6. Step 6: Final answer
    x = 180,881,388.05

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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.