Home / 211,067,511.40-316,601,267.10-174,787,805.80

Finding the Fourth Proportional to 211,067,511.40, 316,601,267.10 and 174,787,805.80

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Solution

The fourth proportional to 211,067,511.40, 316,601,267.10 and 174,787,805.80 is: 262,181,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,067,511.40 : 316,601,267.10 = 174,787,805.80 : x
  2. Step 2: Convert to fraction form
    211,067,511.40/316,601,267.10 = 174,787,805.80/x
  3. Step 3: Cross multiply
    211,067,511.40x = 316,601,267.10 × 174,787,805.80
  4. Step 4: Simplify right side
    211,067,511.40x = 55,338,040,789,908,736
  5. Step 5: Solve for x
    x = 55,338,040,789,908,736/211,067,511.40
  6. Step 6: Final answer
    x = 262,181,708.70

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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.