Home / 150,273,379,860.28-207,377,397,834.64-81,684,792,977.08

Finding the Fourth Proportional to 150,273,379,860.28, 207,377,397,834.64 and 81,684,792,977.08

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Solution

The fourth proportional to 150,273,379,860.28, 207,377,397,834.64 and 81,684,792,977.08 is: 112,725,086,944.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,273,379,860.28 : 207,377,397,834.64 = 81,684,792,977.08 : x
  2. Step 2: Convert to fraction form
    150,273,379,860.28/207,377,397,834.64 = 81,684,792,977.08/x
  3. Step 3: Cross multiply
    150,273,379,860.28x = 207,377,397,834.64 × 81,684,792,977.08
  4. Step 4: Simplify right side
    150,273,379,860.28x = 16,939,579,810,248,128,462,848
  5. Step 5: Solve for x
    x = 16,939,579,810,248,128,462,848/150,273,379,860.28
  6. Step 6: Final answer
    x = 112,725,086,944.86

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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.