Home / 78,273,164.49-117,369,584.61-41,404,953.61

Finding the Fourth Proportional to 78,273,164.49, 117,369,584.61 and 41,404,953.61

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Solution

The fourth proportional to 78,273,164.49, 117,369,584.61 and 41,404,953.61 is: 62,086,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,273,164.49 : 117,369,584.61 = 41,404,953.61 : x
  2. Step 2: Convert to fraction form
    78,273,164.49/117,369,584.61 = 41,404,953.61/x
  3. Step 3: Cross multiply
    78,273,164.49x = 117,369,584.61 × 41,404,953.61
  4. Step 4: Simplify right side
    78,273,164.49x = 4,859,682,206,002,020
  5. Step 5: Solve for x
    x = 4,859,682,206,002,020/78,273,164.49
  6. Step 6: Final answer
    x = 62,086,185.45

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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.