Home / 54,548,673.12-81,821,016.78-16,209,190.86

Finding the Fourth Proportional to 54,548,673.12, 81,821,016.78 and 16,209,190.86

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Solution

The fourth proportional to 54,548,673.12, 81,821,016.78 and 16,209,190.86 is: 24,313,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,548,673.12 : 81,821,016.78 = 16,209,190.86 : x
  2. Step 2: Convert to fraction form
    54,548,673.12/81,821,016.78 = 16,209,190.86/x
  3. Step 3: Cross multiply
    54,548,673.12x = 81,821,016.78 × 16,209,190.86
  4. Step 4: Simplify right side
    54,548,673.12x = 1,326,252,477,346,282.50
  5. Step 5: Solve for x
    x = 1,326,252,477,346,282.50/54,548,673.12
  6. Step 6: Final answer
    x = 24,313,194.10

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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.