Home / 263,473,313.20-394,926,534.60-99,647,767.60

Finding the Fourth Proportional to 263,473,313.20, 394,926,534.60 and 99,647,767.60

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Solution

The fourth proportional to 263,473,313.20, 394,926,534.60 and 99,647,767.60 is: 149,364,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,473,313.20 : 394,926,534.60 = 99,647,767.60 : x
  2. Step 2: Convert to fraction form
    263,473,313.20/394,926,534.60 = 99,647,767.60/x
  3. Step 3: Cross multiply
    263,473,313.20x = 394,926,534.60 × 99,647,767.60
  4. Step 4: Simplify right side
    263,473,313.20x = 39,353,547,538,894,160
  5. Step 5: Solve for x
    x = 39,353,547,538,894,160/263,473,313.20
  6. Step 6: Final answer
    x = 149,364,453.88

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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.