Home / 84,342,459.82-126,530,944.93-29,003,107.64

Finding the Fourth Proportional to 84,342,459.82, 126,530,944.93 and 29,003,107.64

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Solution

The fourth proportional to 84,342,459.82, 126,530,944.93 and 29,003,107.64 is: 43,510,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,342,459.82 : 126,530,944.93 = 29,003,107.64 : x
  2. Step 2: Convert to fraction form
    84,342,459.82/126,530,944.93 = 29,003,107.64/x
  3. Step 3: Cross multiply
    84,342,459.82x = 126,530,944.93 × 29,003,107.64
  4. Step 4: Simplify right side
    84,342,459.82x = 3,669,790,615,595,702.50
  5. Step 5: Solve for x
    x = 3,669,790,615,595,702.50/84,342,459.82
  6. Step 6: Final answer
    x = 43,510,595.06

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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.