Home / 115,095,161.78-158,829,469.65-62,883,076.34

Finding the Fourth Proportional to 115,095,161.78, 158,829,469.65 and 62,883,076.34

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Solution

The fourth proportional to 115,095,161.78, 158,829,469.65 and 62,883,076.34 is: 86,777,632.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,095,161.78 : 158,829,469.65 = 62,883,076.34 : x
  2. Step 2: Convert to fraction form
    115,095,161.78/158,829,469.65 = 62,883,076.34/x
  3. Step 3: Cross multiply
    115,095,161.78x = 158,829,469.65 × 62,883,076.34
  4. Step 4: Simplify right side
    115,095,161.78x = 9,987,685,665,042,664
  5. Step 5: Solve for x
    x = 9,987,685,665,042,664/115,095,161.78
  6. Step 6: Final answer
    x = 86,777,632.62

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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.