Home / 49,389,311.10-74,091,839.85-20,620,638.30

Finding the Fourth Proportional to 49,389,311.10, 74,091,839.85 and 20,620,638.30

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Solution

The fourth proportional to 49,389,311.10, 74,091,839.85 and 20,620,638.30 is: 30,934,244.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,389,311.10 : 74,091,839.85 = 20,620,638.30 : x
  2. Step 2: Convert to fraction form
    49,389,311.10/74,091,839.85 = 20,620,638.30/x
  3. Step 3: Cross multiply
    49,389,311.10x = 74,091,839.85 × 20,620,638.30
  4. Step 4: Simplify right side
    49,389,311.10x = 1,527,821,030,528,376.25
  5. Step 5: Solve for x
    x = 1,527,821,030,528,376.25/49,389,311.10
  6. Step 6: Final answer
    x = 30,934,244.61

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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.