Home / 215,536,005.72-323,508,406.26-133,406,449.32

Finding the Fourth Proportional to 215,536,005.72, 323,508,406.26 and 133,406,449.32

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Solution

The fourth proportional to 215,536,005.72, 323,508,406.26 and 133,406,449.32 is: 200,236,186.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,536,005.72 : 323,508,406.26 = 133,406,449.32 : x
  2. Step 2: Convert to fraction form
    215,536,005.72/323,508,406.26 = 133,406,449.32/x
  3. Step 3: Cross multiply
    215,536,005.72x = 323,508,406.26 × 133,406,449.32
  4. Step 4: Simplify right side
    215,536,005.72x = 43,158,107,804,318,656
  5. Step 5: Solve for x
    x = 43,158,107,804,318,656/215,536,005.72
  6. Step 6: Final answer
    x = 200,236,186.34

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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.