Home / 221,008,486.92-331,456,184.82-65,525,937.66

Finding the Fourth Proportional to 221,008,486.92, 331,456,184.82 and 65,525,937.66

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Solution

The fourth proportional to 221,008,486.92, 331,456,184.82 and 65,525,937.66 is: 98,272,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,008,486.92 : 331,456,184.82 = 65,525,937.66 : x
  2. Step 2: Convert to fraction form
    221,008,486.92/331,456,184.82 = 65,525,937.66/x
  3. Step 3: Cross multiply
    221,008,486.92x = 331,456,184.82 × 65,525,937.66
  4. Step 4: Simplify right side
    221,008,486.92x = 21,718,977,303,536,756
  5. Step 5: Solve for x
    x = 21,718,977,303,536,756/221,008,486.92
  6. Step 6: Final answer
    x = 98,272,141.52

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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.