Home / 207,796,671.36-286,759,742.40-114,981,091.20

Finding the Fourth Proportional to 207,796,671.36, 286,759,742.40 and 114,981,091.20

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Solution

The fourth proportional to 207,796,671.36, 286,759,742.40 and 114,981,091.20 is: 158,674,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,796,671.36 : 286,759,742.40 = 114,981,091.20 : x
  2. Step 2: Convert to fraction form
    207,796,671.36/286,759,742.40 = 114,981,091.20/x
  3. Step 3: Cross multiply
    207,796,671.36x = 286,759,742.40 × 114,981,091.20
  4. Step 4: Simplify right side
    207,796,671.36x = 32,971,948,093,382,904
  5. Step 5: Solve for x
    x = 32,971,948,093,382,904/207,796,671.36
  6. Step 6: Final answer
    x = 158,674,091.73

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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.