Home / 285,345,015.60-428,150,233.80-149,184,145.20

Finding the Fourth Proportional to 285,345,015.60, 428,150,233.80 and 149,184,145.20

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Solution

The fourth proportional to 285,345,015.60, 428,150,233.80 and 149,184,145.20 is: 223,845,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,345,015.60 : 428,150,233.80 = 149,184,145.20 : x
  2. Step 2: Convert to fraction form
    285,345,015.60/428,150,233.80 = 149,184,145.20/x
  3. Step 3: Cross multiply
    285,345,015.60x = 428,150,233.80 × 149,184,145.20
  4. Step 4: Simplify right side
    285,345,015.60x = 63,873,226,646,633,144
  5. Step 5: Solve for x
    x = 63,873,226,646,633,144/285,345,015.60
  6. Step 6: Final answer
    x = 223,845,601.48

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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.