Home / 54,367,473.20-81,551,209.80-52,277,284.40

Finding the Fourth Proportional to 54,367,473.20, 81,551,209.80 and 52,277,284.40

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Solution

The fourth proportional to 54,367,473.20, 81,551,209.80 and 52,277,284.40 is: 78,415,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,367,473.20 : 81,551,209.80 = 52,277,284.40 : x
  2. Step 2: Convert to fraction form
    54,367,473.20/81,551,209.80 = 52,277,284.40/x
  3. Step 3: Cross multiply
    54,367,473.20x = 81,551,209.80 × 52,277,284.40
  4. Step 4: Simplify right side
    54,367,473.20x = 4,263,275,787,878,667
  5. Step 5: Solve for x
    x = 4,263,275,787,878,667/54,367,473.20
  6. Step 6: Final answer
    x = 78,415,926.60

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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.