Home / 104,507,511.94-144,007,858.67-80,842,340.17

Finding the Fourth Proportional to 104,507,511.94, 144,007,858.67 and 80,842,340.17

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Solution

The fourth proportional to 104,507,511.94, 144,007,858.67 and 80,842,340.17 is: 111,398,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,507,511.94 : 144,007,858.67 = 80,842,340.17 : x
  2. Step 2: Convert to fraction form
    104,507,511.94/144,007,858.67 = 80,842,340.17/x
  3. Step 3: Cross multiply
    104,507,511.94x = 144,007,858.67 × 80,842,340.17
  4. Step 4: Simplify right side
    104,507,511.94x = 11,641,932,297,753,422
  5. Step 5: Solve for x
    x = 11,641,932,297,753,422/104,507,511.94
  6. Step 6: Final answer
    x = 111,398,042.89

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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.