Home / 72,367,947.20-108,462,987.45-33,453,761.24

Finding the Fourth Proportional to 72,367,947.20, 108,462,987.45 and 33,453,761.24

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Solution

The fourth proportional to 72,367,947.20, 108,462,987.45 and 33,453,761.24 is: 50,139,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,367,947.20 : 108,462,987.45 = 33,453,761.24 : x
  2. Step 2: Convert to fraction form
    72,367,947.20/108,462,987.45 = 33,453,761.24/x
  3. Step 3: Cross multiply
    72,367,947.20x = 108,462,987.45 × 33,453,761.24
  4. Step 4: Simplify right side
    72,367,947.20x = 3,628,494,885,529,416.50
  5. Step 5: Solve for x
    x = 3,628,494,885,529,416.50/72,367,947.20
  6. Step 6: Final answer
    x = 50,139,530.36

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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.