Home / 199,319,693.70-298,979,540.55-197,976,000.90

Finding the Fourth Proportional to 199,319,693.70, 298,979,540.55 and 197,976,000.90

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Solution

The fourth proportional to 199,319,693.70, 298,979,540.55 and 197,976,000.90 is: 296,964,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,319,693.70 : 298,979,540.55 = 197,976,000.90 : x
  2. Step 2: Convert to fraction form
    199,319,693.70/298,979,540.55 = 197,976,000.90/x
  3. Step 3: Cross multiply
    199,319,693.70x = 298,979,540.55 × 197,976,000.90
  4. Step 4: Simplify right side
    199,319,693.70x = 59,190,773,789,008,392
  5. Step 5: Solve for x
    x = 59,190,773,789,008,392/199,319,693.70
  6. Step 6: Final answer
    x = 296,964,001.35

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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.