Home / 118,439,474.40-177,659,211.60-91,532,440.80

Finding the Fourth Proportional to 118,439,474.40, 177,659,211.60 and 91,532,440.80

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Solution

The fourth proportional to 118,439,474.40, 177,659,211.60 and 91,532,440.80 is: 137,298,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,439,474.40 : 177,659,211.60 = 91,532,440.80 : x
  2. Step 2: Convert to fraction form
    118,439,474.40/177,659,211.60 = 91,532,440.80/x
  3. Step 3: Cross multiply
    118,439,474.40x = 177,659,211.60 × 91,532,440.80
  4. Step 4: Simplify right side
    118,439,474.40x = 16,261,581,268,351,672
  5. Step 5: Solve for x
    x = 16,261,581,268,351,672/118,439,474.40
  6. Step 6: Final answer
    x = 137,298,661.20

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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.