Home / 105,826,297,470.14-145,942,193,523.39-77,234,664,594.62

Finding the Fourth Proportional to 105,826,297,470.14, 145,942,193,523.39 and 77,234,664,594.62

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Solution

The fourth proportional to 105,826,297,470.14, 145,942,193,523.39 and 77,234,664,594.62 is: 106,512,243,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,826,297,470.14 : 145,942,193,523.39 = 77,234,664,594.62 : x
  2. Step 2: Convert to fraction form
    105,826,297,470.14/145,942,193,523.39 = 77,234,664,594.62/x
  3. Step 3: Cross multiply
    105,826,297,470.14x = 145,942,193,523.39 × 77,234,664,594.62
  4. Step 4: Simplify right side
    105,826,297,470.14x = 11,271,796,366,982,149,832,704
  5. Step 5: Solve for x
    x = 11,271,796,366,982,149,832,704/105,826,297,470.14
  6. Step 6: Final answer
    x = 106,512,243,520.21

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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.