Home / 49,839,956.20-74,679,452.70-28,210,234.60

Finding the Fourth Proportional to 49,839,956.20, 74,679,452.70 and 28,210,234.60

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Solution

The fourth proportional to 49,839,956.20, 74,679,452.70 and 28,210,234.60 is: 42,269,797.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,839,956.20 : 74,679,452.70 = 28,210,234.60 : x
  2. Step 2: Convert to fraction form
    49,839,956.20/74,679,452.70 = 28,210,234.60/x
  3. Step 3: Cross multiply
    49,839,956.20x = 74,679,452.70 × 28,210,234.60
  4. Step 4: Simplify right side
    49,839,956.20x = 2,106,724,880,466,603.50
  5. Step 5: Solve for x
    x = 2,106,724,880,466,603.50/49,839,956.20
  6. Step 6: Final answer
    x = 42,269,797.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.