Home / 199,609,961.20-298,967,044.20-163,778,153.20

Finding the Fourth Proportional to 199,609,961.20, 298,967,044.20 and 163,778,153.20

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Solution

The fourth proportional to 199,609,961.20, 298,967,044.20 and 163,778,153.20 is: 245,299,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,609,961.20 : 298,967,044.20 = 163,778,153.20 : x
  2. Step 2: Convert to fraction form
    199,609,961.20/298,967,044.20 = 163,778,153.20/x
  3. Step 3: Cross multiply
    199,609,961.20x = 298,967,044.20 × 163,778,153.20
  4. Step 4: Simplify right side
    199,609,961.20x = 48,964,270,366,738,768
  5. Step 5: Solve for x
    x = 48,964,270,366,738,768/199,609,961.20
  6. Step 6: Final answer
    x = 245,299,733.90

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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.