Home / 206,475,501.96-309,713,262.66-77,093,204.04

Finding the Fourth Proportional to 206,475,501.96, 309,713,262.66 and 77,093,204.04

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Solution

The fourth proportional to 206,475,501.96, 309,713,262.66 and 77,093,204.04 is: 115,639,809.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,475,501.96 : 309,713,262.66 = 77,093,204.04 : x
  2. Step 2: Convert to fraction form
    206,475,501.96/309,713,262.66 = 77,093,204.04/x
  3. Step 3: Cross multiply
    206,475,501.96x = 309,713,262.66 × 77,093,204.04
  4. Step 4: Simplify right side
    206,475,501.96x = 23,876,787,752,141,496
  5. Step 5: Solve for x
    x = 23,876,787,752,141,496/206,475,501.96
  6. Step 6: Final answer
    x = 115,639,809.69

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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.