Home / 221,009,031.02-331,456,998.90-65,526,481.71

Finding the Fourth Proportional to 221,009,031.02, 331,456,998.90 and 65,526,481.71

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Solution

The fourth proportional to 221,009,031.02, 331,456,998.90 and 65,526,481.71 is: 98,272,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,009,031.02 : 331,456,998.90 = 65,526,481.71 : x
  2. Step 2: Convert to fraction form
    221,009,031.02/331,456,998.90 = 65,526,481.71/x
  3. Step 3: Cross multiply
    221,009,031.02x = 331,456,998.90 × 65,526,481.71
  4. Step 4: Simplify right side
    221,009,031.02x = 21,719,210,976,072,340
  5. Step 5: Solve for x
    x = 21,719,210,976,072,340/221,009,031.02
  6. Step 6: Final answer
    x = 98,272,956.88

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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.