Home / 49,357,976.80-74,005,861.20-20,624,101.60

Finding the Fourth Proportional to 49,357,976.80, 74,005,861.20 and 20,624,101.60

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Solution

The fourth proportional to 49,357,976.80, 74,005,861.20 and 20,624,101.60 is: 30,923,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,357,976.80 : 74,005,861.20 = 20,624,101.60 : x
  2. Step 2: Convert to fraction form
    49,357,976.80/74,005,861.20 = 20,624,101.60/x
  3. Step 3: Cross multiply
    49,357,976.80x = 74,005,861.20 × 20,624,101.60
  4. Step 4: Simplify right side
    49,357,976.80x = 1,526,304,400,384,298
  5. Step 5: Solve for x
    x = 1,526,304,400,384,298/49,357,976.80
  6. Step 6: Final answer
    x = 30,923,155.67

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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.