Home / 75,531,687.54-104,227,766.60-42,485,357.55

Finding the Fourth Proportional to 75,531,687.54, 104,227,766.60 and 42,485,357.55

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Solution

The fourth proportional to 75,531,687.54, 104,227,766.60 and 42,485,357.55 is: 58,626,439.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,531,687.54 : 104,227,766.60 = 42,485,357.55 : x
  2. Step 2: Convert to fraction form
    75,531,687.54/104,227,766.60 = 42,485,357.55/x
  3. Step 3: Cross multiply
    75,531,687.54x = 104,227,766.60 × 42,485,357.55
  4. Step 4: Simplify right side
    75,531,687.54x = 4,428,153,931,056,568
  5. Step 5: Solve for x
    x = 4,428,153,931,056,568/75,531,687.54
  6. Step 6: Final answer
    x = 58,626,439.78

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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.