Home / 82,632,197.72-123,804,654.40-57,987,857

Finding the Fourth Proportional to 82,632,197.72, 123,804,654.40 and 57,987,857

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Solution

The fourth proportional to 82,632,197.72, 123,804,654.40 and 57,987,857 is: 86,880,983.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,632,197.72 : 123,804,654.40 = 57,987,857 : x
  2. Step 2: Convert to fraction form
    82,632,197.72/123,804,654.40 = 57,987,857/x
  3. Step 3: Cross multiply
    82,632,197.72x = 123,804,654.40 × 57,987,857
  4. Step 4: Simplify right side
    82,632,197.72x = 7,179,166,595,281,621
  5. Step 5: Solve for x
    x = 7,179,166,595,281,621/82,632,197.72
  6. Step 6: Final answer
    x = 86,880,983.36

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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.