Home / 82,632,187.23-123,804,638.64-57,987,846.51

Finding the Fourth Proportional to 82,632,187.23, 123,804,638.64 and 57,987,846.51

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Solution

The fourth proportional to 82,632,187.23, 123,804,638.64 and 57,987,846.51 is: 86,880,967.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,632,187.23 : 123,804,638.64 = 57,987,846.51 : x
  2. Step 2: Convert to fraction form
    82,632,187.23/123,804,638.64 = 57,987,846.51/x
  3. Step 3: Cross multiply
    82,632,187.23x = 123,804,638.64 × 57,987,846.51
  4. Step 4: Simplify right side
    82,632,187.23x = 7,179,164,382,682,335
  5. Step 5: Solve for x
    x = 7,179,164,382,682,335/82,632,187.23
  6. Step 6: Final answer
    x = 86,880,967.61

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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.