Home / 102,181,699.22-141,195,198.27-72,761,956.05

Finding the Fourth Proportional to 102,181,699.22, 141,195,198.27 and 72,761,956.05

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Solution

The fourth proportional to 102,181,699.22, 141,195,198.27 and 72,761,956.05 is: 100,542,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,181,699.22 : 141,195,198.27 = 72,761,956.05 : x
  2. Step 2: Convert to fraction form
    102,181,699.22/141,195,198.27 = 72,761,956.05/x
  3. Step 3: Cross multiply
    102,181,699.22x = 141,195,198.27 × 72,761,956.05
  4. Step 4: Simplify right side
    102,181,699.22x = 10,273,638,810,992,776
  5. Step 5: Solve for x
    x = 10,273,638,810,992,776/102,181,699.22
  6. Step 6: Final answer
    x = 100,542,845.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.