Home / 49,302,610.64-73,979,708.52-20,178,069.20

Finding the Fourth Proportional to 49,302,610.64, 73,979,708.52 and 20,178,069.20

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Solution

The fourth proportional to 49,302,610.64, 73,979,708.52 and 20,178,069.20 is: 30,277,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,302,610.64 : 73,979,708.52 = 20,178,069.20 : x
  2. Step 2: Convert to fraction form
    49,302,610.64/73,979,708.52 = 20,178,069.20/x
  3. Step 3: Cross multiply
    49,302,610.64x = 73,979,708.52 × 20,178,069.20
  4. Step 4: Simplify right side
    49,302,610.64x = 1,492,767,677,912,389.50
  5. Step 5: Solve for x
    x = 1,492,767,677,912,389.50/49,302,610.64
  6. Step 6: Final answer
    x = 30,277,659.92

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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.