Home / 187,007,029.35-258,057,402.80-107,609,275.89

Finding the Fourth Proportional to 187,007,029.35, 258,057,402.80 and 107,609,275.89

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Solution

The fourth proportional to 187,007,029.35, 258,057,402.80 and 107,609,275.89 is: 148,493,724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,007,029.35 : 258,057,402.80 = 107,609,275.89 : x
  2. Step 2: Convert to fraction form
    187,007,029.35/258,057,402.80 = 107,609,275.89/x
  3. Step 3: Cross multiply
    187,007,029.35x = 258,057,402.80 × 107,609,275.89
  4. Step 4: Simplify right side
    187,007,029.35x = 27,769,370,252,824,012
  5. Step 5: Solve for x
    x = 27,769,370,252,824,012/187,007,029.35
  6. Step 6: Final answer
    x = 148,493,724.27

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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.