Home / 37,020,067.20-55,662,811.20-31,180,809.60

Finding the Fourth Proportional to 37,020,067.20, 55,662,811.20 and 31,180,809.60

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Solution

The fourth proportional to 37,020,067.20, 55,662,811.20 and 31,180,809.60 is: 46,882,992.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,020,067.20 : 55,662,811.20 = 31,180,809.60 : x
  2. Step 2: Convert to fraction form
    37,020,067.20/55,662,811.20 = 31,180,809.60/x
  3. Step 3: Cross multiply
    37,020,067.20x = 55,662,811.20 × 31,180,809.60
  4. Step 4: Simplify right side
    37,020,067.20x = 1,735,611,517,827,947.75
  5. Step 5: Solve for x
    x = 1,735,611,517,827,947.75/37,020,067.20
  6. Step 6: Final answer
    x = 46,882,992.09

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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.