Home / 50,839,216.92-70,165,788.36-31,004,489.45

Finding the Fourth Proportional to 50,839,216.92, 70,165,788.36 and 31,004,489.45

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Solution

The fourth proportional to 50,839,216.92, 70,165,788.36 and 31,004,489.45 is: 42,790,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,839,216.92 : 70,165,788.36 = 31,004,489.45 : x
  2. Step 2: Convert to fraction form
    50,839,216.92/70,165,788.36 = 31,004,489.45/x
  3. Step 3: Cross multiply
    50,839,216.92x = 70,165,788.36 × 31,004,489.45
  4. Step 4: Simplify right side
    50,839,216.92x = 2,175,454,444,491,457.25
  5. Step 5: Solve for x
    x = 2,175,454,444,491,457.25/50,839,216.92
  6. Step 6: Final answer
    x = 42,790,872.40

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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.