Home / 91,867,609.80-137,801,414.70-91,229,880.60

Finding the Fourth Proportional to 91,867,609.80, 137,801,414.70 and 91,229,880.60

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Solution

The fourth proportional to 91,867,609.80, 137,801,414.70 and 91,229,880.60 is: 136,844,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,867,609.80 : 137,801,414.70 = 91,229,880.60 : x
  2. Step 2: Convert to fraction form
    91,867,609.80/137,801,414.70 = 91,229,880.60/x
  3. Step 3: Cross multiply
    91,867,609.80x = 137,801,414.70 × 91,229,880.60
  4. Step 4: Simplify right side
    91,867,609.80x = 12,571,606,609,592,082
  5. Step 5: Solve for x
    x = 12,571,606,609,592,082/91,867,609.80
  6. Step 6: Final answer
    x = 136,844,820.90

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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.