Home / 54,523,408.70-81,715,647.45-28,976,656.70

Finding the Fourth Proportional to 54,523,408.70, 81,715,647.45 and 28,976,656.70

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Solution

The fourth proportional to 54,523,408.70, 81,715,647.45 and 28,976,656.70 is: 43,428,067.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,523,408.70 : 81,715,647.45 = 28,976,656.70 : x
  2. Step 2: Convert to fraction form
    54,523,408.70/81,715,647.45 = 28,976,656.70/x
  3. Step 3: Cross multiply
    54,523,408.70x = 81,715,647.45 × 28,976,656.70
  4. Step 4: Simplify right side
    54,523,408.70x = 2,367,846,263,176,880.50
  5. Step 5: Solve for x
    x = 2,367,846,263,176,880.50/54,523,408.70
  6. Step 6: Final answer
    x = 43,428,067.31

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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.