Home / 135,996,132.88-187,669,185.96-74,115,139.60

Finding the Fourth Proportional to 135,996,132.88, 187,669,185.96 and 74,115,139.60

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Solution

The fourth proportional to 135,996,132.88, 187,669,185.96 and 74,115,139.60 is: 102,275,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,996,132.88 : 187,669,185.96 = 74,115,139.60 : x
  2. Step 2: Convert to fraction form
    135,996,132.88/187,669,185.96 = 74,115,139.60/x
  3. Step 3: Cross multiply
    135,996,132.88x = 187,669,185.96 × 74,115,139.60
  4. Step 4: Simplify right side
    135,996,132.88x = 13,909,127,916,043,760
  5. Step 5: Solve for x
    x = 13,909,127,916,043,760/135,996,132.88
  6. Step 6: Final answer
    x = 102,275,907.57

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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.