Home / 51,989,596.24-71,746,737.44-28,469,120.80

Finding the Fourth Proportional to 51,989,596.24, 71,746,737.44 and 28,469,120.80

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Solution

The fourth proportional to 51,989,596.24, 71,746,737.44 and 28,469,120.80 is: 39,287,986.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,989,596.24 : 71,746,737.44 = 28,469,120.80 : x
  2. Step 2: Convert to fraction form
    51,989,596.24/71,746,737.44 = 28,469,120.80/x
  3. Step 3: Cross multiply
    51,989,596.24x = 71,746,737.44 × 28,469,120.80
  4. Step 4: Simplify right side
    51,989,596.24x = 2,042,566,535,185,242.75
  5. Step 5: Solve for x
    x = 2,042,566,535,185,242.75/51,989,596.24
  6. Step 6: Final answer
    x = 39,287,986.11

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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.