Home / 67,128,804.76-100,747,015.64-34,789,952.84

Finding the Fourth Proportional to 67,128,804.76, 100,747,015.64 and 34,789,952.84

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Solution

The fourth proportional to 67,128,804.76, 100,747,015.64 and 34,789,952.84 is: 52,212,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,128,804.76 : 100,747,015.64 = 34,789,952.84 : x
  2. Step 2: Convert to fraction form
    67,128,804.76/100,747,015.64 = 34,789,952.84/x
  3. Step 3: Cross multiply
    67,128,804.76x = 100,747,015.64 × 34,789,952.84
  4. Step 4: Simplify right side
    67,128,804.76x = 3,504,983,922,886,343
  5. Step 5: Solve for x
    x = 3,504,983,922,886,343/67,128,804.76
  6. Step 6: Final answer
    x = 52,212,815.88

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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.