Home / 221,008,477.17-331,456,170.21-65,525,927.88

Finding the Fourth Proportional to 221,008,477.17, 331,456,170.21 and 65,525,927.88

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Solution

The fourth proportional to 221,008,477.17, 331,456,170.21 and 65,525,927.88 is: 98,272,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,008,477.17 : 331,456,170.21 = 65,525,927.88 : x
  2. Step 2: Convert to fraction form
    221,008,477.17/331,456,170.21 = 65,525,927.88/x
  3. Step 3: Cross multiply
    221,008,477.17x = 331,456,170.21 × 65,525,927.88
  4. Step 4: Simplify right side
    221,008,477.17x = 21,718,973,104,561,464
  5. Step 5: Solve for x
    x = 21,718,973,104,561,464/221,008,477.17
  6. Step 6: Final answer
    x = 98,272,126.86

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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.