Home / 221,009,031.27-331,456,999.27-65,526,481.96

Finding the Fourth Proportional to 221,009,031.27, 331,456,999.27 and 65,526,481.96

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Solution

The fourth proportional to 221,009,031.27, 331,456,999.27 and 65,526,481.96 is: 98,272,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,009,031.27 : 331,456,999.27 = 65,526,481.96 : x
  2. Step 2: Convert to fraction form
    221,009,031.27/331,456,999.27 = 65,526,481.96/x
  3. Step 3: Cross multiply
    221,009,031.27x = 331,456,999.27 × 65,526,481.96
  4. Step 4: Simplify right side
    221,009,031.27x = 21,719,211,083,181,388
  5. Step 5: Solve for x
    x = 21,719,211,083,181,388/221,009,031.27
  6. Step 6: Final answer
    x = 98,272,957.26

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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.