Home / 70,739,704.80-106,109,557.26-19,621,723.53

Finding the Fourth Proportional to 70,739,704.80, 106,109,557.26 and 19,621,723.53

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Solution

The fourth proportional to 70,739,704.80, 106,109,557.26 and 19,621,723.53 is: 29,432,585.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,739,704.80 : 106,109,557.26 = 19,621,723.53 : x
  2. Step 2: Convert to fraction form
    70,739,704.80/106,109,557.26 = 19,621,723.53/x
  3. Step 3: Cross multiply
    70,739,704.80x = 106,109,557.26 × 19,621,723.53
  4. Step 4: Simplify right side
    70,739,704.80x = 2,082,052,396,446,424.50
  5. Step 5: Solve for x
    x = 2,082,052,396,446,424.50/70,739,704.80
  6. Step 6: Final answer
    x = 29,432,585.31

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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.