Home / 209,726,793.12-314,680,908.27-112,568,998.58

Finding the Fourth Proportional to 209,726,793.12, 314,680,908.27 and 112,568,998.58

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Solution

The fourth proportional to 209,726,793.12, 314,680,908.27 and 112,568,998.58 is: 168,902,190.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,726,793.12 : 314,680,908.27 = 112,568,998.58 : x
  2. Step 2: Convert to fraction form
    209,726,793.12/314,680,908.27 = 112,568,998.58/x
  3. Step 3: Cross multiply
    209,726,793.12x = 314,680,908.27 × 112,568,998.58
  4. Step 4: Simplify right side
    209,726,793.12x = 35,423,314,714,625,336
  5. Step 5: Solve for x
    x = 35,423,314,714,625,336/209,726,793.12
  6. Step 6: Final answer
    x = 168,902,190.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.