Home / 199,609,929.20-298,966,996.20-163,778,121.20

Finding the Fourth Proportional to 199,609,929.20, 298,966,996.20 and 163,778,121.20

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Solution

The fourth proportional to 199,609,929.20, 298,966,996.20 and 163,778,121.20 is: 245,299,685.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,609,929.20 : 298,966,996.20 = 163,778,121.20 : x
  2. Step 2: Convert to fraction form
    199,609,929.20/298,966,996.20 = 163,778,121.20/x
  3. Step 3: Cross multiply
    199,609,929.20x = 298,966,996.20 × 163,778,121.20
  4. Step 4: Simplify right side
    199,609,929.20x = 48,964,252,938,443,536
  5. Step 5: Solve for x
    x = 48,964,252,938,443,536/199,609,929.20
  6. Step 6: Final answer
    x = 245,299,685.92

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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.