Home / 217,753,345.80-326,630,018.70-197,597,953.80

Finding the Fourth Proportional to 217,753,345.80, 326,630,018.70 and 197,597,953.80

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Solution

The fourth proportional to 217,753,345.80, 326,630,018.70 and 197,597,953.80 is: 296,396,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,753,345.80 : 326,630,018.70 = 197,597,953.80 : x
  2. Step 2: Convert to fraction form
    217,753,345.80/326,630,018.70 = 197,597,953.80/x
  3. Step 3: Cross multiply
    217,753,345.80x = 326,630,018.70 × 197,597,953.80
  4. Step 4: Simplify right side
    217,753,345.80x = 64,541,423,344,775,736
  5. Step 5: Solve for x
    x = 64,541,423,344,775,736/217,753,345.80
  6. Step 6: Final answer
    x = 296,396,930.70

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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.