Home / 187,007,009.13-258,057,374.87-107,609,255.64

Finding the Fourth Proportional to 187,007,009.13, 258,057,374.87 and 107,609,255.64

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Solution

The fourth proportional to 187,007,009.13, 258,057,374.87 and 107,609,255.64 is: 148,493,696.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,007,009.13 : 258,057,374.87 = 107,609,255.64 : x
  2. Step 2: Convert to fraction form
    187,007,009.13/258,057,374.87 = 107,609,255.64/x
  3. Step 3: Cross multiply
    187,007,009.13x = 258,057,374.87 × 107,609,255.64
  4. Step 4: Simplify right side
    187,007,009.13x = 27,769,362,021,635,096
  5. Step 5: Solve for x
    x = 27,769,362,021,635,096/187,007,009.13
  6. Step 6: Final answer
    x = 148,493,696.31

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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.