Home / 263,039,457.30-394,584,069.15-71,563,233.30

Finding the Fourth Proportional to 263,039,457.30, 394,584,069.15 and 71,563,233.30

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Solution

The fourth proportional to 263,039,457.30, 394,584,069.15 and 71,563,233.30 is: 107,351,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,039,457.30 : 394,584,069.15 = 71,563,233.30 : x
  2. Step 2: Convert to fraction form
    263,039,457.30/394,584,069.15 = 71,563,233.30/x
  3. Step 3: Cross multiply
    263,039,457.30x = 394,584,069.15 × 71,563,233.30
  4. Step 4: Simplify right side
    263,039,457.30x = 28,237,711,797,044,780
  5. Step 5: Solve for x
    x = 28,237,711,797,044,780/263,039,457.30
  6. Step 6: Final answer
    x = 107,351,619.74

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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.