Home / 188,857,397.80-283,412,067.90-86,568,783.40

Finding the Fourth Proportional to 188,857,397.80, 283,412,067.90 and 86,568,783.40

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Solution

The fourth proportional to 188,857,397.80, 283,412,067.90 and 86,568,783.40 is: 129,910,918.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,857,397.80 : 283,412,067.90 = 86,568,783.40 : x
  2. Step 2: Convert to fraction form
    188,857,397.80/283,412,067.90 = 86,568,783.40/x
  3. Step 3: Cross multiply
    188,857,397.80x = 283,412,067.90 × 86,568,783.40
  4. Step 4: Simplify right side
    188,857,397.80x = 24,534,637,918,981,192
  5. Step 5: Solve for x
    x = 24,534,637,918,981,192/188,857,397.80
  6. Step 6: Final answer
    x = 129,910,918.00

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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.