Home / 54,609,123.46-81,925,903.23-20,530,764.58

Finding the Fourth Proportional to 54,609,123.46, 81,925,903.23 and 20,530,764.58

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Solution

The fourth proportional to 54,609,123.46, 81,925,903.23 and 20,530,764.58 is: 30,800,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,609,123.46 : 81,925,903.23 = 20,530,764.58 : x
  2. Step 2: Convert to fraction form
    54,609,123.46/81,925,903.23 = 20,530,764.58/x
  3. Step 3: Cross multiply
    54,609,123.46x = 81,925,903.23 × 20,530,764.58
  4. Step 4: Simplify right side
    54,609,123.46x = 1,682,001,432,218,991.50
  5. Step 5: Solve for x
    x = 1,682,001,432,218,991.50/54,609,123.46
  6. Step 6: Final answer
    x = 30,800,740.35

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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.