Home / 54,458,081.10-81,687,121.65-19,914,416.10

Finding the Fourth Proportional to 54,458,081.10, 81,687,121.65 and 19,914,416.10

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Solution

The fourth proportional to 54,458,081.10, 81,687,121.65 and 19,914,416.10 is: 29,871,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,458,081.10 : 81,687,121.65 = 19,914,416.10 : x
  2. Step 2: Convert to fraction form
    54,458,081.10/81,687,121.65 = 19,914,416.10/x
  3. Step 3: Cross multiply
    54,458,081.10x = 81,687,121.65 × 19,914,416.10
  4. Step 4: Simplify right side
    54,458,081.10x = 1,626,751,330,549,418.75
  5. Step 5: Solve for x
    x = 1,626,751,330,549,418.75/54,458,081.10
  6. Step 6: Final answer
    x = 29,871,624.15

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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.