Home / 137,784,175.70-206,676,263.55-91,867,673.30

Finding the Fourth Proportional to 137,784,175.70, 206,676,263.55 and 91,867,673.30

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Solution

The fourth proportional to 137,784,175.70, 206,676,263.55 and 91,867,673.30 is: 137,801,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,784,175.70 : 206,676,263.55 = 91,867,673.30 : x
  2. Step 2: Convert to fraction form
    137,784,175.70/206,676,263.55 = 91,867,673.30/x
  3. Step 3: Cross multiply
    137,784,175.70x = 206,676,263.55 × 91,867,673.30
  4. Step 4: Simplify right side
    137,784,175.70x = 18,986,867,458,676,100
  5. Step 5: Solve for x
    x = 18,986,867,458,676,100/137,784,175.70
  6. Step 6: Final answer
    x = 137,801,509.95

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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.