Home / 49,245,418.20-73,868,127.30-45,277,325.40

Finding the Fourth Proportional to 49,245,418.20, 73,868,127.30 and 45,277,325.40

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Solution

The fourth proportional to 49,245,418.20, 73,868,127.30 and 45,277,325.40 is: 67,915,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,245,418.20 : 73,868,127.30 = 45,277,325.40 : x
  2. Step 2: Convert to fraction form
    49,245,418.20/73,868,127.30 = 45,277,325.40/x
  3. Step 3: Cross multiply
    49,245,418.20x = 73,868,127.30 × 45,277,325.40
  4. Step 4: Simplify right side
    49,245,418.20x = 3,344,551,236,450,723
  5. Step 5: Solve for x
    x = 3,344,551,236,450,723/49,245,418.20
  6. Step 6: Final answer
    x = 67,915,988.10

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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.