Home / 247,569,991.20-341,631,611.28-137,557,942.56

Finding the Fourth Proportional to 247,569,991.20, 341,631,611.28 and 137,557,942.56

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Solution

The fourth proportional to 247,569,991.20, 341,631,611.28 and 137,557,942.56 is: 189,821,639.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,569,991.20 : 341,631,611.28 = 137,557,942.56 : x
  2. Step 2: Convert to fraction form
    247,569,991.20/341,631,611.28 = 137,557,942.56/x
  3. Step 3: Cross multiply
    247,569,991.20x = 341,631,611.28 × 137,557,942.56
  4. Step 4: Simplify right side
    247,569,991.20x = 46,994,141,561,134,488
  5. Step 5: Solve for x
    x = 46,994,141,561,134,488/247,569,991.20
  6. Step 6: Final answer
    x = 189,821,639.26

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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.