Home / 57,096,040.80-78,792,616.06-30,990,564.02

Finding the Fourth Proportional to 57,096,040.80, 78,792,616.06 and 30,990,564.02

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Solution

The fourth proportional to 57,096,040.80, 78,792,616.06 and 30,990,564.02 is: 42,767,021.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,096,040.80 : 78,792,616.06 = 30,990,564.02 : x
  2. Step 2: Convert to fraction form
    57,096,040.80/78,792,616.06 = 30,990,564.02/x
  3. Step 3: Cross multiply
    57,096,040.80x = 78,792,616.06 × 30,990,564.02
  4. Step 4: Simplify right side
    57,096,040.80x = 2,441,827,612,310,710
  5. Step 5: Solve for x
    x = 2,441,827,612,310,710/57,096,040.80
  6. Step 6: Final answer
    x = 42,767,021.64

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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.