Home / 82,632,198.72-123,804,655.90-57,987,858

Finding the Fourth Proportional to 82,632,198.72, 123,804,655.90 and 57,987,858

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Solution

The fourth proportional to 82,632,198.72, 123,804,655.90 and 57,987,858 is: 86,880,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,632,198.72 : 123,804,655.90 = 57,987,858 : x
  2. Step 2: Convert to fraction form
    82,632,198.72/123,804,655.90 = 57,987,858/x
  3. Step 3: Cross multiply
    82,632,198.72x = 123,804,655.90 × 57,987,858
  4. Step 4: Simplify right side
    82,632,198.72x = 7,179,166,806,068,063
  5. Step 5: Solve for x
    x = 7,179,166,806,068,063/82,632,198.72
  6. Step 6: Final answer
    x = 86,880,984.86

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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.