Home / 394,164,084.96-591,304,908.08-145,150,181.23

Finding the Fourth Proportional to 394,164,084.96, 591,304,908.08 and 145,150,181.23

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Solution

The fourth proportional to 394,164,084.96, 591,304,908.08 and 145,150,181.23 is: 217,746,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,164,084.96 : 591,304,908.08 = 145,150,181.23 : x
  2. Step 2: Convert to fraction form
    394,164,084.96/591,304,908.08 = 145,150,181.23/x
  3. Step 3: Cross multiply
    394,164,084.96x = 591,304,908.08 × 145,150,181.23
  4. Step 4: Simplify right side
    394,164,084.96x = 85,828,014,570,000,496
  5. Step 5: Solve for x
    x = 85,828,014,570,000,496/394,164,084.96
  6. Step 6: Final answer
    x = 217,746,917.70

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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.