Home / 188,857,250.80-283,411,847.40-86,568,636.40

Finding the Fourth Proportional to 188,857,250.80, 283,411,847.40 and 86,568,636.40

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Solution

The fourth proportional to 188,857,250.80, 283,411,847.40 and 86,568,636.40 is: 129,910,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,857,250.80 : 283,411,847.40 = 86,568,636.40 : x
  2. Step 2: Convert to fraction form
    188,857,250.80/283,411,847.40 = 86,568,636.40/x
  3. Step 3: Cross multiply
    188,857,250.80x = 283,411,847.40 × 86,568,636.40
  4. Step 4: Simplify right side
    188,857,250.80x = 24,534,577,169,022,884
  5. Step 5: Solve for x
    x = 24,534,577,169,022,884/188,857,250.80
  6. Step 6: Final answer
    x = 129,910,697.45

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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.