Home / 188,857,399.80-283,412,070.90-86,568,785.40

Finding the Fourth Proportional to 188,857,399.80, 283,412,070.90 and 86,568,785.40

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Solution

The fourth proportional to 188,857,399.80, 283,412,070.90 and 86,568,785.40 is: 129,910,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,857,399.80 : 283,412,070.90 = 86,568,785.40 : x
  2. Step 2: Convert to fraction form
    188,857,399.80/283,412,070.90 = 86,568,785.40/x
  3. Step 3: Cross multiply
    188,857,399.80x = 283,412,070.90 × 86,568,785.40
  4. Step 4: Simplify right side
    188,857,399.80x = 24,534,638,745,511,684
  5. Step 5: Solve for x
    x = 24,534,638,745,511,684/188,857,399.80
  6. Step 6: Final answer
    x = 129,910,921.00

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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.