Home / 187,007,020.60-258,057,390.72-107,609,267.14

Finding the Fourth Proportional to 187,007,020.60, 258,057,390.72 and 107,609,267.14

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Solution

The fourth proportional to 187,007,020.60, 258,057,390.72 and 107,609,267.14 is: 148,493,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,007,020.60 : 258,057,390.72 = 107,609,267.14 : x
  2. Step 2: Convert to fraction form
    187,007,020.60/258,057,390.72 = 107,609,267.14/x
  3. Step 3: Cross multiply
    187,007,020.60x = 258,057,390.72 × 107,609,267.14
  4. Step 4: Simplify right side
    187,007,020.60x = 27,769,366,695,439,836
  5. Step 5: Solve for x
    x = 27,769,366,695,439,836/187,007,020.60
  6. Step 6: Final answer
    x = 148,493,712.20

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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.