Home / 101,820,620.62-140,517,083.47-60,006,450.70

Finding the Fourth Proportional to 101,820,620.62, 140,517,083.47 and 60,006,450.70

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Solution

The fourth proportional to 101,820,620.62, 140,517,083.47 and 60,006,450.70 is: 82,811,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,820,620.62 : 140,517,083.47 = 60,006,450.70 : x
  2. Step 2: Convert to fraction form
    101,820,620.62/140,517,083.47 = 60,006,450.70/x
  3. Step 3: Cross multiply
    101,820,620.62x = 140,517,083.47 × 60,006,450.70
  4. Step 4: Simplify right side
    101,820,620.62x = 8,431,931,441,099,015
  5. Step 5: Solve for x
    x = 8,431,931,441,099,015/101,820,620.62
  6. Step 6: Final answer
    x = 82,811,628.82

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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.