Home / 51,949,172.84-71,689,942.50-28,745,277.80

Finding the Fourth Proportional to 51,949,172.84, 71,689,942.50 and 28,745,277.80

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Solution

The fourth proportional to 51,949,172.84, 71,689,942.50 and 28,745,277.80 is: 39,668,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,949,172.84 : 71,689,942.50 = 28,745,277.80 : x
  2. Step 2: Convert to fraction form
    51,949,172.84/71,689,942.50 = 28,745,277.80/x
  3. Step 3: Cross multiply
    51,949,172.84x = 71,689,942.50 × 28,745,277.80
  4. Step 4: Simplify right side
    51,949,172.84x = 2,060,747,312,628,526.50
  5. Step 5: Solve for x
    x = 2,060,747,312,628,526.50/51,949,172.84
  6. Step 6: Final answer
    x = 39,668,529.83

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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.