Home / 187,081,172.65-280,623,973.31-113,321,037.09

Finding the Fourth Proportional to 187,081,172.65, 280,623,973.31 and 113,321,037.09

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Solution

The fourth proportional to 187,081,172.65, 280,623,973.31 and 113,321,037.09 is: 169,982,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,081,172.65 : 280,623,973.31 = 113,321,037.09 : x
  2. Step 2: Convert to fraction form
    187,081,172.65/280,623,973.31 = 113,321,037.09/x
  3. Step 3: Cross multiply
    187,081,172.65x = 280,623,973.31 × 113,321,037.09
  4. Step 4: Simplify right side
    187,081,172.65x = 31,800,599,687,805,680
  5. Step 5: Solve for x
    x = 31,800,599,687,805,680/187,081,172.65
  6. Step 6: Final answer
    x = 169,982,896.93

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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.