Home / 57,170,680.84-78,896,037.86-31,065,198.58

Finding the Fourth Proportional to 57,170,680.84, 78,896,037.86 and 31,065,198.58

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Solution

The fourth proportional to 57,170,680.84, 78,896,037.86 and 31,065,198.58 is: 42,870,244.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170,680.84 : 78,896,037.86 = 31,065,198.58 : x
  2. Step 2: Convert to fraction form
    57,170,680.84/78,896,037.86 = 31,065,198.58/x
  3. Step 3: Cross multiply
    57,170,680.84x = 78,896,037.86 × 31,065,198.58
  4. Step 4: Simplify right side
    57,170,680.84x = 2,450,921,083,296,098
  5. Step 5: Solve for x
    x = 2,450,921,083,296,098/57,170,680.84
  6. Step 6: Final answer
    x = 42,870,244.81

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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.