Home / 319,972,822.82-479,959,235.37-89,941,907.48

Finding the Fourth Proportional to 319,972,822.82, 479,959,235.37 and 89,941,907.48

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Solution

The fourth proportional to 319,972,822.82, 479,959,235.37 and 89,941,907.48 is: 134,912,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,972,822.82 : 479,959,235.37 = 89,941,907.48 : x
  2. Step 2: Convert to fraction form
    319,972,822.82/479,959,235.37 = 89,941,907.48/x
  3. Step 3: Cross multiply
    319,972,822.82x = 479,959,235.37 × 89,941,907.48
  4. Step 4: Simplify right side
    319,972,822.82x = 43,168,449,139,420,288
  5. Step 5: Solve for x
    x = 43,168,449,139,420,288/319,972,822.82
  6. Step 6: Final answer
    x = 134,912,861.54

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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.