Home / 215,638,953.66-323,343,346.45-111,903,709.83

Finding the Fourth Proportional to 215,638,953.66, 323,343,346.45 and 111,903,709.83

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Solution

The fourth proportional to 215,638,953.66, 323,343,346.45 and 111,903,709.83 is: 167,795,843.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,638,953.66 : 323,343,346.45 = 111,903,709.83 : x
  2. Step 2: Convert to fraction form
    215,638,953.66/323,343,346.45 = 111,903,709.83/x
  3. Step 3: Cross multiply
    215,638,953.66x = 323,343,346.45 × 111,903,709.83
  4. Step 4: Simplify right side
    215,638,953.66x = 36,183,320,016,322,200
  5. Step 5: Solve for x
    x = 36,183,320,016,322,200/215,638,953.66
  6. Step 6: Final answer
    x = 167,795,843.02

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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.