Home / 217,320,866.60-325,997,046.30-130,873,130.60

Finding the Fourth Proportional to 217,320,866.60, 325,997,046.30 and 130,873,130.60

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Solution

The fourth proportional to 217,320,866.60, 325,997,046.30 and 130,873,130.60 is: 196,319,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,320,866.60 : 325,997,046.30 = 130,873,130.60 : x
  2. Step 2: Convert to fraction form
    217,320,866.60/325,997,046.30 = 130,873,130.60/x
  3. Step 3: Cross multiply
    217,320,866.60x = 325,997,046.30 × 130,873,130.60
  4. Step 4: Simplify right side
    217,320,866.60x = 42,664,254,015,634,144
  5. Step 5: Solve for x
    x = 42,664,254,015,634,144/217,320,866.60
  6. Step 6: Final answer
    x = 196,319,178.56

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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.