Home / 199,609,964.70-298,967,049.45-163,778,156.70

Finding the Fourth Proportional to 199,609,964.70, 298,967,049.45 and 163,778,156.70

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Solution

The fourth proportional to 199,609,964.70, 298,967,049.45 and 163,778,156.70 is: 245,299,739.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,609,964.70 : 298,967,049.45 = 163,778,156.70 : x
  2. Step 2: Convert to fraction form
    199,609,964.70/298,967,049.45 = 163,778,156.70/x
  3. Step 3: Cross multiply
    199,609,964.70x = 298,967,049.45 × 163,778,156.70
  4. Step 4: Simplify right side
    199,609,964.70x = 48,964,272,272,958,744
  5. Step 5: Solve for x
    x = 48,964,272,272,958,744/199,609,964.70
  6. Step 6: Final answer
    x = 245,299,739.15

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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.