Home / 75,198,413.64-112,806,057.42-67,474,576.02

Finding the Fourth Proportional to 75,198,413.64, 112,806,057.42 and 67,474,576.02

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Solution

The fourth proportional to 75,198,413.64, 112,806,057.42 and 67,474,576.02 is: 101,219,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,198,413.64 : 112,806,057.42 = 67,474,576.02 : x
  2. Step 2: Convert to fraction form
    75,198,413.64/112,806,057.42 = 67,474,576.02/x
  3. Step 3: Cross multiply
    75,198,413.64x = 112,806,057.42 × 67,474,576.02
  4. Step 4: Simplify right side
    75,198,413.64x = 7,611,540,896,902,275
  5. Step 5: Solve for x
    x = 7,611,540,896,902,275/75,198,413.64
  6. Step 6: Final answer
    x = 101,219,434.41

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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.