Home / 89,709,166.78-123,798,699.82-48,456,059.16

Finding the Fourth Proportional to 89,709,166.78, 123,798,699.82 and 48,456,059.16

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Solution

The fourth proportional to 89,709,166.78, 123,798,699.82 and 48,456,059.16 is: 66,869,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,709,166.78 : 123,798,699.82 = 48,456,059.16 : x
  2. Step 2: Convert to fraction form
    89,709,166.78/123,798,699.82 = 48,456,059.16/x
  3. Step 3: Cross multiply
    89,709,166.78x = 123,798,699.82 × 48,456,059.16
  4. Step 4: Simplify right side
    89,709,166.78x = 5,998,797,122,409,001
  5. Step 5: Solve for x
    x = 5,998,797,122,409,001/89,709,166.78
  6. Step 6: Final answer
    x = 66,869,388.47

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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.