Home / 67,608,836.76-100,844,825.14-61,402,163.79

Finding the Fourth Proportional to 67,608,836.76, 100,844,825.14 and 61,402,163.79

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Solution

The fourth proportional to 67,608,836.76, 100,844,825.14 and 61,402,163.79 is: 91,586,999.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,608,836.76 : 100,844,825.14 = 61,402,163.79 : x
  2. Step 2: Convert to fraction form
    67,608,836.76/100,844,825.14 = 61,402,163.79/x
  3. Step 3: Cross multiply
    67,608,836.76x = 100,844,825.14 × 61,402,163.79
  4. Step 4: Simplify right side
    67,608,836.76x = 6,192,090,470,061,067
  5. Step 5: Solve for x
    x = 6,192,090,470,061,067/67,608,836.76
  6. Step 6: Final answer
    x = 91,586,999.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.