Home / 81,576,352,736.80-122,364,529,105.20-48,434,841,671.20

Finding the Fourth Proportional to 81,576,352,736.80, 122,364,529,105.20 and 48,434,841,671.20

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Solution

The fourth proportional to 81,576,352,736.80, 122,364,529,105.20 and 48,434,841,671.20 is: 72,652,262,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,576,352,736.80 : 122,364,529,105.20 = 48,434,841,671.20 : x
  2. Step 2: Convert to fraction form
    81,576,352,736.80/122,364,529,105.20 = 48,434,841,671.20/x
  3. Step 3: Cross multiply
    81,576,352,736.80x = 122,364,529,105.20 × 48,434,841,671.20
  4. Step 4: Simplify right side
    81,576,352,736.80x = 5,926,706,593,381,305,286,656
  5. Step 5: Solve for x
    x = 5,926,706,593,381,305,286,656/81,576,352,736.80
  6. Step 6: Final answer
    x = 72,652,262,506.80

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Double scale
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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.