Home / 80,386,039.33-120,530,511.93-36,062,208.43

Finding the Fourth Proportional to 80,386,039.33, 120,530,511.93 and 36,062,208.43

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Solution

The fourth proportional to 80,386,039.33, 120,530,511.93 and 36,062,208.43 is: 54,071,533.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,386,039.33 : 120,530,511.93 = 36,062,208.43 : x
  2. Step 2: Convert to fraction form
    80,386,039.33/120,530,511.93 = 36,062,208.43/x
  3. Step 3: Cross multiply
    80,386,039.33x = 120,530,511.93 × 36,062,208.43
  4. Step 4: Simplify right side
    80,386,039.33x = 4,346,596,443,394,262
  5. Step 5: Solve for x
    x = 4,346,596,443,394,262/80,386,039.33
  6. Step 6: Final answer
    x = 54,071,533.81

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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.