Home / 141,555,942.97-212,345,965.56-43,209,739.46

Finding the Fourth Proportional to 141,555,942.97, 212,345,965.56 and 43,209,739.46

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Solution

The fourth proportional to 141,555,942.97, 212,345,965.56 and 43,209,739.46 is: 64,818,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,555,942.97 : 212,345,965.56 = 43,209,739.46 : x
  2. Step 2: Convert to fraction form
    141,555,942.97/212,345,965.56 = 43,209,739.46/x
  3. Step 3: Cross multiply
    141,555,942.97x = 212,345,965.56 × 43,209,739.46
  4. Step 4: Simplify right side
    141,555,942.97x = 9,175,413,846,728,188
  5. Step 5: Solve for x
    x = 9,175,413,846,728,188/141,555,942.97
  6. Step 6: Final answer
    x = 64,818,287.77

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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.