Home / 263,167,309.13-394,889,065.45-107,836,421.45

Finding the Fourth Proportional to 263,167,309.13, 394,889,065.45 and 107,836,421.45

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Solution

The fourth proportional to 263,167,309.13, 394,889,065.45 and 107,836,421.45 is: 161,811,221.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,167,309.13 : 394,889,065.45 = 107,836,421.45 : x
  2. Step 2: Convert to fraction form
    263,167,309.13/394,889,065.45 = 107,836,421.45/x
  3. Step 3: Cross multiply
    263,167,309.13x = 394,889,065.45 × 107,836,421.45
  4. Step 4: Simplify right side
    263,167,309.13x = 42,583,423,685,618,792
  5. Step 5: Solve for x
    x = 42,583,423,685,618,792/263,167,309.13
  6. Step 6: Final answer
    x = 161,811,221.26

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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.