Home / 187,951,728.25-282,204,345.89-105,115,775.23

Finding the Fourth Proportional to 187,951,728.25, 282,204,345.89 and 105,115,775.23

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Solution

The fourth proportional to 187,951,728.25, 282,204,345.89 and 105,115,775.23 is: 157,828,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,951,728.25 : 282,204,345.89 = 105,115,775.23 : x
  2. Step 2: Convert to fraction form
    187,951,728.25/282,204,345.89 = 105,115,775.23/x
  3. Step 3: Cross multiply
    187,951,728.25x = 282,204,345.89 × 105,115,775.23
  4. Step 4: Simplify right side
    187,951,728.25x = 29,664,128,591,502,412
  5. Step 5: Solve for x
    x = 29,664,128,591,502,412/187,951,728.25
  6. Step 6: Final answer
    x = 157,828,442.80

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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.