Home / 73,127,067.40-109,718,594.70-71,979,329.80

Finding the Fourth Proportional to 73,127,067.40, 109,718,594.70 and 71,979,329.80

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Solution

The fourth proportional to 73,127,067.40, 109,718,594.70 and 71,979,329.80 is: 107,996,548.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,127,067.40 : 109,718,594.70 = 71,979,329.80 : x
  2. Step 2: Convert to fraction form
    73,127,067.40/109,718,594.70 = 71,979,329.80/x
  3. Step 3: Cross multiply
    73,127,067.40x = 109,718,594.70 × 71,979,329.80
  4. Step 4: Simplify right side
    73,127,067.40x = 7,897,470,913,103,832
  5. Step 5: Solve for x
    x = 7,897,470,913,103,832/73,127,067.40
  6. Step 6: Final answer
    x = 107,996,548.94

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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.