Home / 91,858,277.80-137,787,416.70-82,504,916.20

Finding the Fourth Proportional to 91,858,277.80, 137,787,416.70 and 82,504,916.20

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Solution

The fourth proportional to 91,858,277.80, 137,787,416.70 and 82,504,916.20 is: 123,757,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,858,277.80 : 137,787,416.70 = 82,504,916.20 : x
  2. Step 2: Convert to fraction form
    91,858,277.80/137,787,416.70 = 82,504,916.20/x
  3. Step 3: Cross multiply
    91,858,277.80x = 137,787,416.70 × 82,504,916.20
  4. Step 4: Simplify right side
    91,858,277.80x = 11,368,139,268,247,980
  5. Step 5: Solve for x
    x = 11,368,139,268,247,980/91,858,277.80
  6. Step 6: Final answer
    x = 123,757,374.30

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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.