Home / 319,972,825.80-479,959,239.90-89,941,910.46

Finding the Fourth Proportional to 319,972,825.80, 479,959,239.90 and 89,941,910.46

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Solution

The fourth proportional to 319,972,825.80, 479,959,239.90 and 89,941,910.46 is: 134,912,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,972,825.80 : 479,959,239.90 = 89,941,910.46 : x
  2. Step 2: Convert to fraction form
    319,972,825.80/479,959,239.90 = 89,941,910.46/x
  3. Step 3: Cross multiply
    319,972,825.80x = 479,959,239.90 × 89,941,910.46
  4. Step 4: Simplify right side
    319,972,825.80x = 43,168,450,979,535,456
  5. Step 5: Solve for x
    x = 43,168,450,979,535,456/319,972,825.80
  6. Step 6: Final answer
    x = 134,912,866.03

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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.