Home / 80,836,828,535.61-111,589,172,079.63-50,368,065,878.14

Finding the Fourth Proportional to 80,836,828,535.61, 111,589,172,079.63 and 50,368,065,878.14

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Solution

The fourth proportional to 80,836,828,535.61, 111,589,172,079.63 and 50,368,065,878.14 is: 69,529,333,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,836,828,535.61 : 111,589,172,079.63 = 50,368,065,878.14 : x
  2. Step 2: Convert to fraction form
    80,836,828,535.61/111,589,172,079.63 = 50,368,065,878.14/x
  3. Step 3: Cross multiply
    80,836,828,535.61x = 111,589,172,079.63 × 50,368,065,878.14
  4. Step 4: Simplify right side
    80,836,828,535.61x = 5,620,530,770,593,905,115,136
  5. Step 5: Solve for x
    x = 5,620,530,770,593,905,115,136/80,836,828,535.61
  6. Step 6: Final answer
    x = 69,529,333,008.38

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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.