Home / 394,311,261.58-591,450,450.90-103,171,938.54

Finding the Fourth Proportional to 394,311,261.58, 591,450,450.90 and 103,171,938.54

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Solution

The fourth proportional to 394,311,261.58, 591,450,450.90 and 103,171,938.54 is: 154,753,605.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,311,261.58 : 591,450,450.90 = 103,171,938.54 : x
  2. Step 2: Convert to fraction form
    394,311,261.58/591,450,450.90 = 103,171,938.54/x
  3. Step 3: Cross multiply
    394,311,261.58x = 591,450,450.90 × 103,171,938.54
  4. Step 4: Simplify right side
    394,311,261.58x = 61,021,089,569,710,088
  5. Step 5: Solve for x
    x = 61,021,089,569,710,088/394,311,261.58
  6. Step 6: Final answer
    x = 154,753,605.88

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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.