Home / 206,703,517.87-285,250,698.73-113,884,025.71

Finding the Fourth Proportional to 206,703,517.87, 285,250,698.73 and 113,884,025.71

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Solution

The fourth proportional to 206,703,517.87, 285,250,698.73 and 113,884,025.71 is: 157,159,869.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,703,517.87 : 285,250,698.73 = 113,884,025.71 : x
  2. Step 2: Convert to fraction form
    206,703,517.87/285,250,698.73 = 113,884,025.71/x
  3. Step 3: Cross multiply
    206,703,517.87x = 285,250,698.73 × 113,884,025.71
  4. Step 4: Simplify right side
    206,703,517.87x = 32,485,497,907,962,784
  5. Step 5: Solve for x
    x = 32,485,497,907,962,784/206,703,517.87
  6. Step 6: Final answer
    x = 157,159,869.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.