Home / 54,432,902.80-81,649,354.20-18,531,110.80

Finding the Fourth Proportional to 54,432,902.80, 81,649,354.20 and 18,531,110.80

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Solution

The fourth proportional to 54,432,902.80, 81,649,354.20 and 18,531,110.80 is: 27,796,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432,902.80 : 81,649,354.20 = 18,531,110.80 : x
  2. Step 2: Convert to fraction form
    54,432,902.80/81,649,354.20 = 18,531,110.80/x
  3. Step 3: Cross multiply
    54,432,902.80x = 81,649,354.20 × 18,531,110.80
  4. Step 4: Simplify right side
    54,432,902.80x = 1,513,053,229,428,645.50
  5. Step 5: Solve for x
    x = 1,513,053,229,428,645.50/54,432,902.80
  6. Step 6: Final answer
    x = 27,796,666.20

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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.