Home / 217,320,970.10-325,997,201.55-130,873,234.10

Finding the Fourth Proportional to 217,320,970.10, 325,997,201.55 and 130,873,234.10

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Solution

The fourth proportional to 217,320,970.10, 325,997,201.55 and 130,873,234.10 is: 196,319,333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,320,970.10 : 325,997,201.55 = 130,873,234.10 : x
  2. Step 2: Convert to fraction form
    217,320,970.10/325,997,201.55 = 130,873,234.10/x
  3. Step 3: Cross multiply
    217,320,970.10x = 325,997,201.55 × 130,873,234.10
  4. Step 4: Simplify right side
    217,320,970.10x = 42,664,308,074,398,032
  5. Step 5: Solve for x
    x = 42,664,308,074,398,032/217,320,970.10
  6. Step 6: Final answer
    x = 196,319,333.82

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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.