Home / 150,273,379,858.28-207,377,397,831.88-81,684,792,975.08

Finding the Fourth Proportional to 150,273,379,858.28, 207,377,397,831.88 and 81,684,792,975.08

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Solution

The fourth proportional to 150,273,379,858.28, 207,377,397,831.88 and 81,684,792,975.08 is: 112,725,086,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,273,379,858.28 : 207,377,397,831.88 = 81,684,792,975.08 : x
  2. Step 2: Convert to fraction form
    150,273,379,858.28/207,377,397,831.88 = 81,684,792,975.08/x
  3. Step 3: Cross multiply
    150,273,379,858.28x = 207,377,397,831.88 × 81,684,792,975.08
  4. Step 4: Simplify right side
    150,273,379,858.28x = 16,939,579,809,607,922,483,200
  5. Step 5: Solve for x
    x = 16,939,579,809,607,922,483,200/150,273,379,858.28
  6. Step 6: Final answer
    x = 112,725,086,942.10

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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.