Home / 220,199,198.40-303,883,649.46-121,088,071.44

Finding the Fourth Proportional to 220,199,198.40, 303,883,649.46 and 121,088,071.44

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Solution

The fourth proportional to 220,199,198.40, 303,883,649.46 and 121,088,071.44 is: 167,106,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,199,198.40 : 303,883,649.46 = 121,088,071.44 : x
  2. Step 2: Convert to fraction form
    220,199,198.40/303,883,649.46 = 121,088,071.44/x
  3. Step 3: Cross multiply
    220,199,198.40x = 303,883,649.46 × 121,088,071.44
  4. Step 4: Simplify right side
    220,199,198.40x = 36,796,685,055,260,392
  5. Step 5: Solve for x
    x = 36,796,685,055,260,392/220,199,198.40
  6. Step 6: Final answer
    x = 167,106,353.35

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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.