Home / 81,812,012,932.84-122,753,372,624.22-43,994,386,754.92

Finding the Fourth Proportional to 81,812,012,932.84, 122,753,372,624.22 and 43,994,386,754.92

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Solution

The fourth proportional to 81,812,012,932.84, 122,753,372,624.22 and 43,994,386,754.92 is: 66,010,591,319.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,812,012,932.84 : 122,753,372,624.22 = 43,994,386,754.92 : x
  2. Step 2: Convert to fraction form
    81,812,012,932.84/122,753,372,624.22 = 43,994,386,754.92/x
  3. Step 3: Cross multiply
    81,812,012,932.84x = 122,753,372,624.22 × 43,994,386,754.92
  4. Step 4: Simplify right side
    81,812,012,932.84x = 5,400,459,350,700,743,196,672
  5. Step 5: Solve for x
    x = 5,400,459,350,700,743,196,672/81,812,012,932.84
  6. Step 6: Final answer
    x = 66,010,591,319.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.