Home / 72,367,947.82-108,462,988.40-33,453,761.86

Finding the Fourth Proportional to 72,367,947.82, 108,462,988.40 and 33,453,761.86

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Solution

The fourth proportional to 72,367,947.82, 108,462,988.40 and 33,453,761.86 is: 50,139,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,367,947.82 : 108,462,988.40 = 33,453,761.86 : x
  2. Step 2: Convert to fraction form
    72,367,947.82/108,462,988.40 = 33,453,761.86/x
  3. Step 3: Cross multiply
    72,367,947.82x = 108,462,988.40 × 33,453,761.86
  4. Step 4: Simplify right side
    72,367,947.82x = 3,628,494,984,557,542.50
  5. Step 5: Solve for x
    x = 3,628,494,984,557,542.50/72,367,947.82
  6. Step 6: Final answer
    x = 50,139,531.30

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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.