Home / 220,199,208.40-303,883,663.26-121,088,081.44

Finding the Fourth Proportional to 220,199,208.40, 303,883,663.26 and 121,088,081.44

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Solution

The fourth proportional to 220,199,208.40, 303,883,663.26 and 121,088,081.44 is: 167,106,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,199,208.40 : 303,883,663.26 = 121,088,081.44 : x
  2. Step 2: Convert to fraction form
    220,199,208.40/303,883,663.26 = 121,088,081.44/x
  3. Step 3: Cross multiply
    220,199,208.40x = 303,883,663.26 × 121,088,081.44
  4. Step 4: Simplify right side
    220,199,208.40x = 36,796,689,765,112,416
  5. Step 5: Solve for x
    x = 36,796,689,765,112,416/220,199,208.40
  6. Step 6: Final answer
    x = 167,106,367.15

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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.