Home / 394,584,825.30-591,877,237.95-103,451,385.30

Finding the Fourth Proportional to 394,584,825.30, 591,877,237.95 and 103,451,385.30

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Solution

The fourth proportional to 394,584,825.30, 591,877,237.95 and 103,451,385.30 is: 155,177,077.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,584,825.30 : 591,877,237.95 = 103,451,385.30 : x
  2. Step 2: Convert to fraction form
    394,584,825.30/591,877,237.95 = 103,451,385.30/x
  3. Step 3: Cross multiply
    394,584,825.30x = 591,877,237.95 × 103,451,385.30
  4. Step 4: Simplify right side
    394,584,825.30x = 61,230,520,193,465,232
  5. Step 5: Solve for x
    x = 61,230,520,193,465,232/394,584,825.30
  6. Step 6: Final answer
    x = 155,177,077.95

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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.