Home / 187,307,906.34-258,476,764.74-103,671,050.38

Finding the Fourth Proportional to 187,307,906.34, 258,476,764.74 and 103,671,050.38

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Solution

The fourth proportional to 187,307,906.34, 258,476,764.74 and 103,671,050.38 is: 143,061,540.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,307,906.34 : 258,476,764.74 = 103,671,050.38 : x
  2. Step 2: Convert to fraction form
    187,307,906.34/258,476,764.74 = 103,671,050.38/x
  3. Step 3: Cross multiply
    187,307,906.34x = 258,476,764.74 × 103,671,050.38
  4. Step 4: Simplify right side
    187,307,906.34x = 26,796,557,699,419,948
  5. Step 5: Solve for x
    x = 26,796,557,699,419,948/187,307,906.34
  6. Step 6: Final answer
    x = 143,061,540.88

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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.