Home / 220,940,250.09-304,911,154.36-121,820,690.96

Finding the Fourth Proportional to 220,940,250.09, 304,911,154.36 and 121,820,690.96

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Solution

The fourth proportional to 220,940,250.09, 304,911,154.36 and 121,820,690.96 is: 168,120,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,940,250.09 : 304,911,154.36 = 121,820,690.96 : x
  2. Step 2: Convert to fraction form
    220,940,250.09/304,911,154.36 = 121,820,690.96/x
  3. Step 3: Cross multiply
    220,940,250.09x = 304,911,154.36 × 121,820,690.96
  4. Step 4: Simplify right side
    220,940,250.09x = 37,144,487,504,021,864
  5. Step 5: Solve for x
    x = 37,144,487,504,021,864/220,940,250.09
  6. Step 6: Final answer
    x = 168,120,057.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.