Home / 135,960,309.20-187,625,253.69-74,080,647.77

Finding the Fourth Proportional to 135,960,309.20, 187,625,253.69 and 74,080,647.77

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Solution

The fourth proportional to 135,960,309.20, 187,625,253.69 and 74,080,647.77 is: 102,231,308.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,960,309.20 : 187,625,253.69 = 74,080,647.77 : x
  2. Step 2: Convert to fraction form
    135,960,309.20/187,625,253.69 = 74,080,647.77/x
  3. Step 3: Cross multiply
    135,960,309.20x = 187,625,253.69 × 74,080,647.77
  4. Step 4: Simplify right side
    135,960,309.20x = 13,899,400,330,427,656
  5. Step 5: Solve for x
    x = 13,899,400,330,427,656/135,960,309.20
  6. Step 6: Final answer
    x = 102,231,308.63

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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.