Home / 221,080,496.80-331,521,212.40-99,849,546.40

Finding the Fourth Proportional to 221,080,496.80, 331,521,212.40 and 99,849,546.40

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Solution

The fourth proportional to 221,080,496.80, 331,521,212.40 and 99,849,546.40 is: 149,729,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,080,496.80 : 331,521,212.40 = 99,849,546.40 : x
  2. Step 2: Convert to fraction form
    221,080,496.80/331,521,212.40 = 99,849,546.40/x
  3. Step 3: Cross multiply
    221,080,496.80x = 331,521,212.40 × 99,849,546.40
  4. Step 4: Simplify right side
    221,080,496.80x = 33,102,242,680,118,056
  5. Step 5: Solve for x
    x = 33,102,242,680,118,056/221,080,496.80
  6. Step 6: Final answer
    x = 149,729,366.27

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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.