Home / 57,096,012.84-78,792,576.66-30,990,535.80

Finding the Fourth Proportional to 57,096,012.84, 78,792,576.66 and 30,990,535.80

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Solution

The fourth proportional to 57,096,012.84, 78,792,576.66 and 30,990,535.80 is: 42,766,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,096,012.84 : 78,792,576.66 = 30,990,535.80 : x
  2. Step 2: Convert to fraction form
    57,096,012.84/78,792,576.66 = 30,990,535.80/x
  3. Step 3: Cross multiply
    57,096,012.84x = 78,792,576.66 × 30,990,535.80
  4. Step 4: Simplify right side
    57,096,012.84x = 2,441,824,167,755,974.50
  5. Step 5: Solve for x
    x = 2,441,824,167,755,974.50/57,096,012.84
  6. Step 6: Final answer
    x = 42,766,982.25

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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.