Home / 199,694,472.66-275,573,239.70-111,589,194.15

Finding the Fourth Proportional to 199,694,472.66, 275,573,239.70 and 111,589,194.15

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Solution

The fourth proportional to 199,694,472.66, 275,573,239.70 and 111,589,194.15 is: 153,990,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,694,472.66 : 275,573,239.70 = 111,589,194.15 : x
  2. Step 2: Convert to fraction form
    199,694,472.66/275,573,239.70 = 111,589,194.15/x
  3. Step 3: Cross multiply
    199,694,472.66x = 275,573,239.70 × 111,589,194.15
  4. Step 4: Simplify right side
    199,694,472.66x = 30,750,995,746,869,844
  5. Step 5: Solve for x
    x = 30,750,995,746,869,844/199,694,472.66
  6. Step 6: Final answer
    x = 153,990,219.85

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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.