Home / 90,340,860.01-135,514,213.76-43,007,107.80

Finding the Fourth Proportional to 90,340,860.01, 135,514,213.76 and 43,007,107.80

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Solution

The fourth proportional to 90,340,860.01, 135,514,213.76 and 43,007,107.80 is: 64,512,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,340,860.01 : 135,514,213.76 = 43,007,107.80 : x
  2. Step 2: Convert to fraction form
    90,340,860.01/135,514,213.76 = 43,007,107.80/x
  3. Step 3: Cross multiply
    90,340,860.01x = 135,514,213.76 × 43,007,107.80
  4. Step 4: Simplify right side
    90,340,860.01x = 5,828,074,399,608,563
  5. Step 5: Solve for x
    x = 5,828,074,399,608,563/90,340,860.01
  6. Step 6: Final answer
    x = 64,512,053.56

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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.