Home / 80,351,512.64-120,580,352.48-37,804,558.40

Finding the Fourth Proportional to 80,351,512.64, 120,580,352.48 and 37,804,558.40

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Solution

The fourth proportional to 80,351,512.64, 120,580,352.48 and 37,804,558.40 is: 56,731,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,351,512.64 : 120,580,352.48 = 37,804,558.40 : x
  2. Step 2: Convert to fraction form
    80,351,512.64/120,580,352.48 = 37,804,558.40/x
  3. Step 3: Cross multiply
    80,351,512.64x = 120,580,352.48 × 37,804,558.40
  4. Step 4: Simplify right side
    80,351,512.64x = 4,558,486,977,222,745
  5. Step 5: Solve for x
    x = 4,558,486,977,222,745/80,351,512.64
  6. Step 6: Final answer
    x = 56,731,812.85

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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.