Home / 238,105,603.51-328,511,601.97-137,597,424.46

Finding the Fourth Proportional to 238,105,603.51, 328,511,601.97 and 137,597,424.46

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Solution

The fourth proportional to 238,105,603.51, 328,511,601.97 and 137,597,424.46 is: 189,841,606.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,105,603.51 : 328,511,601.97 = 137,597,424.46 : x
  2. Step 2: Convert to fraction form
    238,105,603.51/328,511,601.97 = 137,597,424.46/x
  3. Step 3: Cross multiply
    238,105,603.51x = 328,511,601.97 × 137,597,424.46
  4. Step 4: Simplify right side
    238,105,603.51x = 45,202,350,336,300,672
  5. Step 5: Solve for x
    x = 45,202,350,336,300,672/238,105,603.51
  6. Step 6: Final answer
    x = 189,841,606.71

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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.