Home / 82,090,285.80-123,054,212.70-38,883,546.60

Finding the Fourth Proportional to 82,090,285.80, 123,054,212.70 and 38,883,546.60

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Solution

The fourth proportional to 82,090,285.80, 123,054,212.70 and 38,883,546.60 is: 58,286,850.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,090,285.80 : 123,054,212.70 = 38,883,546.60 : x
  2. Step 2: Convert to fraction form
    82,090,285.80/123,054,212.70 = 38,883,546.60/x
  3. Step 3: Cross multiply
    82,090,285.80x = 123,054,212.70 × 38,883,546.60
  4. Step 4: Simplify right side
    82,090,285.80x = 4,784,784,213,846,762
  5. Step 5: Solve for x
    x = 4,784,784,213,846,762/82,090,285.80
  6. Step 6: Final answer
    x = 58,286,850.47

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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.