Home / 54,447,751.20-81,648,007.20-18,042,074.40

Finding the Fourth Proportional to 54,447,751.20, 81,648,007.20 and 18,042,074.40

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Solution

The fourth proportional to 54,447,751.20, 81,648,007.20 and 18,042,074.40 is: 27,055,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,447,751.20 : 81,648,007.20 = 18,042,074.40 : x
  2. Step 2: Convert to fraction form
    54,447,751.20/81,648,007.20 = 18,042,074.40/x
  3. Step 3: Cross multiply
    54,447,751.20x = 81,648,007.20 × 18,042,074.40
  4. Step 4: Simplify right side
    54,447,751.20x = 1,473,099,420,514,135.50
  5. Step 5: Solve for x
    x = 1,473,099,420,514,135.50/54,447,751.20
  6. Step 6: Final answer
    x = 27,055,284.89

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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.