Home / 172,575,738.96-258,899,964.29-55,981,991.01

Finding the Fourth Proportional to 172,575,738.96, 258,899,964.29 and 55,981,991.01

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Solution

The fourth proportional to 172,575,738.96, 258,899,964.29 and 55,981,991.01 is: 83,984,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,575,738.96 : 258,899,964.29 = 55,981,991.01 : x
  2. Step 2: Convert to fraction form
    172,575,738.96/258,899,964.29 = 55,981,991.01/x
  3. Step 3: Cross multiply
    172,575,738.96x = 258,899,964.29 × 55,981,991.01
  4. Step 4: Simplify right side
    172,575,738.96x = 14,493,735,473,092,190
  5. Step 5: Solve for x
    x = 14,493,735,473,092,190/172,575,738.96
  6. Step 6: Final answer
    x = 83,984,780.02

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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.