Home / 57,131,369.98-78,865,415.25-38,571,640.45

Finding the Fourth Proportional to 57,131,369.98, 78,865,415.25 and 38,571,640.45

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Solution

The fourth proportional to 57,131,369.98, 78,865,415.25 and 38,571,640.45 is: 53,245,151.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,131,369.98 : 78,865,415.25 = 38,571,640.45 : x
  2. Step 2: Convert to fraction form
    57,131,369.98/78,865,415.25 = 38,571,640.45/x
  3. Step 3: Cross multiply
    57,131,369.98x = 78,865,415.25 × 38,571,640.45
  4. Step 4: Simplify right side
    57,131,369.98x = 3,041,968,440,962,947
  5. Step 5: Solve for x
    x = 3,041,968,440,962,947/57,131,369.98
  6. Step 6: Final answer
    x = 53,245,151.34

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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.