Home / 216,013,732-298,003,954.86-126,660,067.56

Finding the Fourth Proportional to 216,013,732, 298,003,954.86 and 126,660,067.56

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Solution

The fourth proportional to 216,013,732, 298,003,954.86 and 126,660,067.56 is: 174,735,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,013,732 : 298,003,954.86 = 126,660,067.56 : x
  2. Step 2: Convert to fraction form
    216,013,732/298,003,954.86 = 126,660,067.56/x
  3. Step 3: Cross multiply
    216,013,732x = 298,003,954.86 × 126,660,067.56
  4. Step 4: Simplify right side
    216,013,732x = 37,745,201,055,714,792
  5. Step 5: Solve for x
    x = 37,745,201,055,714,792/216,013,732
  6. Step 6: Final answer
    x = 174,735,192.56

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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.