Home / 187,007,021.10-258,057,391.41-107,609,267.64

Finding the Fourth Proportional to 187,007,021.10, 258,057,391.41 and 107,609,267.64

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Solution

The fourth proportional to 187,007,021.10, 258,057,391.41 and 107,609,267.64 is: 148,493,712.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,007,021.10 : 258,057,391.41 = 107,609,267.64 : x
  2. Step 2: Convert to fraction form
    187,007,021.10/258,057,391.41 = 107,609,267.64/x
  3. Step 3: Cross multiply
    187,007,021.10x = 258,057,391.41 × 107,609,267.64
  4. Step 4: Simplify right side
    187,007,021.10x = 27,769,366,898,718,928
  5. Step 5: Solve for x
    x = 27,769,366,898,718,928/187,007,021.10
  6. Step 6: Final answer
    x = 148,493,712.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.