Home / 50,649,356.64-69,899,659.12-28,624,891.36

Finding the Fourth Proportional to 50,649,356.64, 69,899,659.12 and 28,624,891.36

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Solution

The fourth proportional to 50,649,356.64, 69,899,659.12 and 28,624,891.36 is: 39,504,354.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,649,356.64 : 69,899,659.12 = 28,624,891.36 : x
  2. Step 2: Convert to fraction form
    50,649,356.64/69,899,659.12 = 28,624,891.36/x
  3. Step 3: Cross multiply
    50,649,356.64x = 69,899,659.12 × 28,624,891.36
  4. Step 4: Simplify right side
    50,649,356.64x = 2,000,870,148,411,033.25
  5. Step 5: Solve for x
    x = 2,000,870,148,411,033.25/50,649,356.64
  6. Step 6: Final answer
    x = 39,504,354.67

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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.