Home / 139,969,191.80-209,953,787.70-127,204,110.20

Finding the Fourth Proportional to 139,969,191.80, 209,953,787.70 and 127,204,110.20

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Solution

The fourth proportional to 139,969,191.80, 209,953,787.70 and 127,204,110.20 is: 190,806,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,191.80 : 209,953,787.70 = 127,204,110.20 : x
  2. Step 2: Convert to fraction form
    139,969,191.80/209,953,787.70 = 127,204,110.20/x
  3. Step 3: Cross multiply
    139,969,191.80x = 209,953,787.70 × 127,204,110.20
  4. Step 4: Simplify right side
    139,969,191.80x = 26,706,984,747,498,204
  5. Step 5: Solve for x
    x = 26,706,984,747,498,204/139,969,191.80
  6. Step 6: Final answer
    x = 190,806,165.30

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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.