Home / 105,826,297,468.14-145,942,193,520.63-77,234,664,592.62

Finding the Fourth Proportional to 105,826,297,468.14, 145,942,193,520.63 and 77,234,664,592.62

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Solution

The fourth proportional to 105,826,297,468.14, 145,942,193,520.63 and 77,234,664,592.62 is: 106,512,243,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,826,297,468.14 : 145,942,193,520.63 = 77,234,664,592.62 : x
  2. Step 2: Convert to fraction form
    105,826,297,468.14/145,942,193,520.63 = 77,234,664,592.62/x
  3. Step 3: Cross multiply
    105,826,297,468.14x = 145,942,193,520.63 × 77,234,664,592.62
  4. Step 4: Simplify right side
    105,826,297,468.14x = 11,271,796,366,477,096,910,848
  5. Step 5: Solve for x
    x = 11,271,796,366,477,096,910,848/105,826,297,468.14
  6. Step 6: Final answer
    x = 106,512,243,517.45

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Double scale
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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.