Home / 331,128,745.20-496,693,117.80-112,706,494.20

Finding the Fourth Proportional to 331,128,745.20, 496,693,117.80 and 112,706,494.20

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Solution

The fourth proportional to 331,128,745.20, 496,693,117.80 and 112,706,494.20 is: 169,059,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,128,745.20 : 496,693,117.80 = 112,706,494.20 : x
  2. Step 2: Convert to fraction form
    331,128,745.20/496,693,117.80 = 112,706,494.20/x
  3. Step 3: Cross multiply
    331,128,745.20x = 496,693,117.80 × 112,706,494.20
  4. Step 4: Simplify right side
    331,128,745.20x = 55,980,540,000,505,616
  5. Step 5: Solve for x
    x = 55,980,540,000,505,616/331,128,745.20
  6. Step 6: Final answer
    x = 169,059,741.30

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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.