Home / 54,447,746.20-81,647,999.70-18,042,069.40

Finding the Fourth Proportional to 54,447,746.20, 81,647,999.70 and 18,042,069.40

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Solution

The fourth proportional to 54,447,746.20, 81,647,999.70 and 18,042,069.40 is: 27,055,277.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,447,746.20 : 81,647,999.70 = 18,042,069.40 : x
  2. Step 2: Convert to fraction form
    54,447,746.20/81,647,999.70 = 18,042,069.40/x
  3. Step 3: Cross multiply
    54,447,746.20x = 81,647,999.70 × 18,042,069.40
  4. Step 4: Simplify right side
    54,447,746.20x = 1,473,098,876,958,579
  5. Step 5: Solve for x
    x = 1,473,098,876,958,579/54,447,746.20
  6. Step 6: Final answer
    x = 27,055,277.39

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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.