Home / 189,016,067.80-283,205,237.10-91,762,364.80

Finding the Fourth Proportional to 189,016,067.80, 283,205,237.10 and 91,762,364.80

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Solution

The fourth proportional to 189,016,067.80, 283,205,237.10 and 91,762,364.80 is: 137,488,746.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,016,067.80 : 283,205,237.10 = 91,762,364.80 : x
  2. Step 2: Convert to fraction form
    189,016,067.80/283,205,237.10 = 91,762,364.80/x
  3. Step 3: Cross multiply
    189,016,067.80x = 283,205,237.10 × 91,762,364.80
  4. Step 4: Simplify right side
    189,016,067.80x = 25,987,582,280,040,696
  5. Step 5: Solve for x
    x = 25,987,582,280,040,696/189,016,067.80
  6. Step 6: Final answer
    x = 137,488,746.76

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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.