Home / 156,138,245.28-215,400,122.64-94,238,796.96

Finding the Fourth Proportional to 156,138,245.28, 215,400,122.64 and 94,238,796.96

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Solution

The fourth proportional to 156,138,245.28, 215,400,122.64 and 94,238,796.96 is: 130,006,894.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,138,245.28 : 215,400,122.64 = 94,238,796.96 : x
  2. Step 2: Convert to fraction form
    156,138,245.28/215,400,122.64 = 94,238,796.96/x
  3. Step 3: Cross multiply
    156,138,245.28x = 215,400,122.64 × 94,238,796.96
  4. Step 4: Simplify right side
    156,138,245.28x = 20,299,048,422,630,056
  5. Step 5: Solve for x
    x = 20,299,048,422,630,056/156,138,245.28
  6. Step 6: Final answer
    x = 130,006,894.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.