Home / 81,825,660,099.84-112,903,033,946.68-45,691,132,694.18

Finding the Fourth Proportional to 81,825,660,099.84, 112,903,033,946.68 and 45,691,132,694.18

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Solution

The fourth proportional to 81,825,660,099.84, 112,903,033,946.68 and 45,691,132,694.18 is: 63,044,618,269.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,825,660,099.84 : 112,903,033,946.68 = 45,691,132,694.18 : x
  2. Step 2: Convert to fraction form
    81,825,660,099.84/112,903,033,946.68 = 45,691,132,694.18/x
  3. Step 3: Cross multiply
    81,825,660,099.84x = 112,903,033,946.68 × 45,691,132,694.18
  4. Step 4: Simplify right side
    81,825,660,099.84x = 5,158,667,505,633,264,140,288
  5. Step 5: Solve for x
    x = 5,158,667,505,633,264,140,288/81,825,660,099.84
  6. Step 6: Final answer
    x = 63,044,618,269.37

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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.