Home / 437,875,794.40-656,729,710.80-131,177,912.80

Finding the Fourth Proportional to 437,875,794.40, 656,729,710.80 and 131,177,912.80

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Solution

The fourth proportional to 437,875,794.40, 656,729,710.80 and 131,177,912.80 is: 196,741,710.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,875,794.40 : 656,729,710.80 = 131,177,912.80 : x
  2. Step 2: Convert to fraction form
    437,875,794.40/656,729,710.80 = 131,177,912.80/x
  3. Step 3: Cross multiply
    437,875,794.40x = 656,729,710.80 × 131,177,912.80
  4. Step 4: Simplify right side
    437,875,794.40x = 86,148,432,736,491,616
  5. Step 5: Solve for x
    x = 86,148,432,736,491,616/437,875,794.40
  6. Step 6: Final answer
    x = 196,741,710.41

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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.