Home / 220,199,207.40-303,883,661.88-121,088,080.44

Finding the Fourth Proportional to 220,199,207.40, 303,883,661.88 and 121,088,080.44

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Solution

The fourth proportional to 220,199,207.40, 303,883,661.88 and 121,088,080.44 is: 167,106,365.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,199,207.40 : 303,883,661.88 = 121,088,080.44 : x
  2. Step 2: Convert to fraction form
    220,199,207.40/303,883,661.88 = 121,088,080.44/x
  3. Step 3: Cross multiply
    220,199,207.40x = 303,883,661.88 × 121,088,080.44
  4. Step 4: Simplify right side
    220,199,207.40x = 36,796,689,294,127,200
  5. Step 5: Solve for x
    x = 36,796,689,294,127,200/220,199,207.40
  6. Step 6: Final answer
    x = 167,106,365.77

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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.