Home / 437,875,790.40-656,729,704.80-131,177,908.80

Finding the Fourth Proportional to 437,875,790.40, 656,729,704.80 and 131,177,908.80

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Solution

The fourth proportional to 437,875,790.40, 656,729,704.80 and 131,177,908.80 is: 196,741,704.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,875,790.40 : 656,729,704.80 = 131,177,908.80 : x
  2. Step 2: Convert to fraction form
    437,875,790.40/656,729,704.80 = 131,177,908.80/x
  3. Step 3: Cross multiply
    437,875,790.40x = 656,729,704.80 × 131,177,908.80
  4. Step 4: Simplify right side
    437,875,790.40x = 86,148,429,322,505,312
  5. Step 5: Solve for x
    x = 86,148,429,322,505,312/437,875,790.40
  6. Step 6: Final answer
    x = 196,741,704.41

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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.