Home / 150,273,379,851.27-207,377,397,822.21-81,684,792,968.06

Finding the Fourth Proportional to 150,273,379,851.27, 207,377,397,822.21 and 81,684,792,968.06

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Solution

The fourth proportional to 150,273,379,851.27, 207,377,397,822.21 and 81,684,792,968.06 is: 112,725,086,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,273,379,851.27 : 207,377,397,822.21 = 81,684,792,968.06 : x
  2. Step 2: Convert to fraction form
    150,273,379,851.27/207,377,397,822.21 = 81,684,792,968.06/x
  3. Step 3: Cross multiply
    150,273,379,851.27x = 207,377,397,822.21 × 81,684,792,968.06
  4. Step 4: Simplify right side
    150,273,379,851.27x = 16,939,579,807,362,239,692,800
  5. Step 5: Solve for x
    x = 16,939,579,807,362,239,692,800/150,273,379,851.27
  6. Step 6: Final answer
    x = 112,725,086,932.42

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1.5x scale

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.