Home / 199,605,946.20-298,961,021.70-163,774,138.20

Finding the Fourth Proportional to 199,605,946.20, 298,961,021.70 and 163,774,138.20

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Solution

The fourth proportional to 199,605,946.20, 298,961,021.70 and 163,774,138.20 is: 245,293,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,605,946.20 : 298,961,021.70 = 163,774,138.20 : x
  2. Step 2: Convert to fraction form
    199,605,946.20/298,961,021.70 = 163,774,138.20/x
  3. Step 3: Cross multiply
    199,605,946.20x = 298,961,021.70 × 163,774,138.20
  4. Step 4: Simplify right side
    199,605,946.20x = 48,962,083,684,308,992
  5. Step 5: Solve for x
    x = 48,962,083,684,308,992/199,605,946.20
  6. Step 6: Final answer
    x = 245,293,713.02

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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.