Home / 206,857,983.42-285,466,217.40-114,041,812.77

Finding the Fourth Proportional to 206,857,983.42, 285,466,217.40 and 114,041,812.77

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Solution

The fourth proportional to 206,857,983.42, 285,466,217.40 and 114,041,812.77 is: 157,378,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,857,983.42 : 285,466,217.40 = 114,041,812.77 : x
  2. Step 2: Convert to fraction form
    206,857,983.42/285,466,217.40 = 114,041,812.77/x
  3. Step 3: Cross multiply
    206,857,983.42x = 285,466,217.40 × 114,041,812.77
  4. Step 4: Simplify right side
    206,857,983.42x = 32,555,084,916,890,912
  5. Step 5: Solve for x
    x = 32,555,084,916,890,912/206,857,983.42
  6. Step 6: Final answer
    x = 157,378,914.65

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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.