Home / 89,687,022.30-123,768,090.45-48,433,912.38

Finding the Fourth Proportional to 89,687,022.30, 123,768,090.45 and 48,433,912.38

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Solution

The fourth proportional to 89,687,022.30, 123,768,090.45 and 48,433,912.38 is: 66,838,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,687,022.30 : 123,768,090.45 = 48,433,912.38 : x
  2. Step 2: Convert to fraction form
    89,687,022.30/123,768,090.45 = 48,433,912.38/x
  3. Step 3: Cross multiply
    89,687,022.30x = 123,768,090.45 × 48,433,912.38
  4. Step 4: Simplify right side
    89,687,022.30x = 5,994,572,848,295,215
  5. Step 5: Solve for x
    x = 5,994,572,848,295,215/89,687,022.30
  6. Step 6: Final answer
    x = 66,838,798.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.