Home / 238,279,003.90-328,730,469.56-137,788,872.59

Finding the Fourth Proportional to 238,279,003.90, 328,730,469.56 and 137,788,872.59

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Solution

The fourth proportional to 238,279,003.90, 328,730,469.56 and 137,788,872.59 is: 190,093,965.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,279,003.90 : 328,730,469.56 = 137,788,872.59 : x
  2. Step 2: Convert to fraction form
    238,279,003.90/328,730,469.56 = 137,788,872.59/x
  3. Step 3: Cross multiply
    238,279,003.90x = 328,730,469.56 × 137,788,872.59
  4. Step 4: Simplify right side
    238,279,003.90x = 45,295,400,787,303,304
  5. Step 5: Solve for x
    x = 45,295,400,787,303,304/238,279,003.90
  6. Step 6: Final answer
    x = 190,093,965.67

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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.