Home / 253,845,344.70-380,780,458.65-132,912,992.70

Finding the Fourth Proportional to 253,845,344.70, 380,780,458.65 and 132,912,992.70

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Solution

The fourth proportional to 253,845,344.70, 380,780,458.65 and 132,912,992.70 is: 199,376,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,845,344.70 : 380,780,458.65 = 132,912,992.70 : x
  2. Step 2: Convert to fraction form
    253,845,344.70/380,780,458.65 = 132,912,992.70/x
  3. Step 3: Cross multiply
    253,845,344.70x = 380,780,458.65 × 132,912,992.70
  4. Step 4: Simplify right side
    253,845,344.70x = 50,610,670,320,850,096
  5. Step 5: Solve for x
    x = 50,610,670,320,850,096/253,845,344.70
  6. Step 6: Final answer
    x = 199,376,003.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.