Home / 242,983,778.23-335,361,263.11-137,169,446.46

Finding the Fourth Proportional to 242,983,778.23, 335,361,263.11 and 137,169,446.46

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Solution

The fourth proportional to 242,983,778.23, 335,361,263.11 and 137,169,446.46 is: 189,318,476.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,983,778.23 : 335,361,263.11 = 137,169,446.46 : x
  2. Step 2: Convert to fraction form
    242,983,778.23/335,361,263.11 = 137,169,446.46/x
  3. Step 3: Cross multiply
    242,983,778.23x = 335,361,263.11 × 137,169,446.46
  4. Step 4: Simplify right side
    242,983,778.23x = 46,001,318,823,324,600
  5. Step 5: Solve for x
    x = 46,001,318,823,324,600/242,983,778.23
  6. Step 6: Final answer
    x = 189,318,476.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.