Home / 57,415,222.72-79,234,920.12-31,311,164.80

Finding the Fourth Proportional to 57,415,222.72, 79,234,920.12 and 31,311,164.80

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Solution

The fourth proportional to 57,415,222.72, 79,234,920.12 and 31,311,164.80 is: 43,210,450.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,415,222.72 : 79,234,920.12 = 31,311,164.80 : x
  2. Step 2: Convert to fraction form
    57,415,222.72/79,234,920.12 = 31,311,164.80/x
  3. Step 3: Cross multiply
    57,415,222.72x = 79,234,920.12 × 31,311,164.80
  4. Step 4: Simplify right side
    57,415,222.72x = 2,480,937,641,792,156
  5. Step 5: Solve for x
    x = 2,480,937,641,792,156/57,415,222.72
  6. Step 6: Final answer
    x = 43,210,450.54

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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.