Home / 209,952,227.10-314,928,340.65-193,324,028.70

Finding the Fourth Proportional to 209,952,227.10, 314,928,340.65 and 193,324,028.70

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Solution

The fourth proportional to 209,952,227.10, 314,928,340.65 and 193,324,028.70 is: 289,986,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,227.10 : 314,928,340.65 = 193,324,028.70 : x
  2. Step 2: Convert to fraction form
    209,952,227.10/314,928,340.65 = 193,324,028.70/x
  3. Step 3: Cross multiply
    209,952,227.10x = 314,928,340.65 × 193,324,028.70
  4. Step 4: Simplify right side
    209,952,227.10x = 60,883,215,566,263,968
  5. Step 5: Solve for x
    x = 60,883,215,566,263,968/209,952,227.10
  6. Step 6: Final answer
    x = 289,986,043.05

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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.