Home / 70,324,361.24-105,482,456.22-21,139,152.44

Finding the Fourth Proportional to 70,324,361.24, 105,482,456.22 and 21,139,152.44

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Solution

The fourth proportional to 70,324,361.24, 105,482,456.22 and 21,139,152.44 is: 31,707,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,324,361.24 : 105,482,456.22 = 21,139,152.44 : x
  2. Step 2: Convert to fraction form
    70,324,361.24/105,482,456.22 = 21,139,152.44/x
  3. Step 3: Cross multiply
    70,324,361.24x = 105,482,456.22 × 21,139,152.44
  4. Step 4: Simplify right side
    70,324,361.24x = 2,229,809,721,780,206.25
  5. Step 5: Solve for x
    x = 2,229,809,721,780,206.25/70,324,361.24
  6. Step 6: Final answer
    x = 31,707,500.54

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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.