Home / 83,515,076.70-115,250,556.69-46,350,954.78

Finding the Fourth Proportional to 83,515,076.70, 115,250,556.69 and 46,350,954.78

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Solution

The fourth proportional to 83,515,076.70, 115,250,556.69 and 46,350,954.78 is: 63,964,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,515,076.70 : 115,250,556.69 = 46,350,954.78 : x
  2. Step 2: Convert to fraction form
    83,515,076.70/115,250,556.69 = 46,350,954.78/x
  3. Step 3: Cross multiply
    83,515,076.70x = 115,250,556.69 × 46,350,954.78
  4. Step 4: Simplify right side
    83,515,076.70x = 5,341,973,341,508,017
  5. Step 5: Solve for x
    x = 5,341,973,341,508,017/83,515,076.70
  6. Step 6: Final answer
    x = 63,964,179.31

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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.