Home / 187,081,173.65-280,623,974.81-113,321,038.09

Finding the Fourth Proportional to 187,081,173.65, 280,623,974.81 and 113,321,038.09

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Solution

The fourth proportional to 187,081,173.65, 280,623,974.81 and 113,321,038.09 is: 169,982,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,081,173.65 : 280,623,974.81 = 113,321,038.09 : x
  2. Step 2: Convert to fraction form
    187,081,173.65/280,623,974.81 = 113,321,038.09/x
  3. Step 3: Cross multiply
    187,081,173.65x = 280,623,974.81 × 113,321,038.09
  4. Step 4: Simplify right side
    187,081,173.65x = 31,800,600,138,411,212
  5. Step 5: Solve for x
    x = 31,800,600,138,411,212/187,081,173.65
  6. Step 6: Final answer
    x = 169,982,898.43

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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.