Home / 90,230,936,521.28-124,522,052,864.83-54,107,850,126.92

Finding the Fourth Proportional to 90,230,936,521.28, 124,522,052,864.83 and 54,107,850,126.92

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Solution

The fourth proportional to 90,230,936,521.28, 124,522,052,864.83 and 54,107,850,126.92 is: 74,670,848,310.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,230,936,521.28 : 124,522,052,864.83 = 54,107,850,126.92 : x
  2. Step 2: Convert to fraction form
    90,230,936,521.28/124,522,052,864.83 = 54,107,850,126.92/x
  3. Step 3: Cross multiply
    90,230,936,521.28x = 124,522,052,864.83 × 54,107,850,126.92
  4. Step 4: Simplify right side
    90,230,936,521.28x = 6,737,620,573,906,008,014,848
  5. Step 5: Solve for x
    x = 6,737,620,573,906,008,014,848/90,230,936,521.28
  6. Step 6: Final answer
    x = 74,670,848,310.63

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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.