Home / 394,167,938.06-591,310,698.41-145,154,048.79

Finding the Fourth Proportional to 394,167,938.06, 591,310,698.41 and 145,154,048.79

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Solution

The fourth proportional to 394,167,938.06, 591,310,698.41 and 145,154,048.79 is: 217,752,723.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,167,938.06 : 591,310,698.41 = 145,154,048.79 : x
  2. Step 2: Convert to fraction form
    394,167,938.06/591,310,698.41 = 145,154,048.79/x
  3. Step 3: Cross multiply
    394,167,938.06x = 591,310,698.41 × 145,154,048.79
  4. Step 4: Simplify right side
    394,167,938.06x = 85,831,141,966,328,336
  5. Step 5: Solve for x
    x = 85,831,141,966,328,336/394,167,938.06
  6. Step 6: Final answer
    x = 217,752,723.34

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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.