Home / 49,389,244.10-74,091,739.35-20,620,571.30

Finding the Fourth Proportional to 49,389,244.10, 74,091,739.35 and 20,620,571.30

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Solution

The fourth proportional to 49,389,244.10, 74,091,739.35 and 20,620,571.30 is: 30,934,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,389,244.10 : 74,091,739.35 = 20,620,571.30 : x
  2. Step 2: Convert to fraction form
    49,389,244.10/74,091,739.35 = 20,620,571.30/x
  3. Step 3: Cross multiply
    49,389,244.10x = 74,091,739.35 × 20,620,571.30
  4. Step 4: Simplify right side
    49,389,244.10x = 1,527,813,994,007,690.50
  5. Step 5: Solve for x
    x = 1,527,813,994,007,690.50/49,389,244.10
  6. Step 6: Final answer
    x = 30,934,144.10

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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.