Home / 80,351,518.64-120,580,361.48-37,804,564.40

Finding the Fourth Proportional to 80,351,518.64, 120,580,361.48 and 37,804,564.40

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Solution

The fourth proportional to 80,351,518.64, 120,580,361.48 and 37,804,564.40 is: 56,731,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,351,518.64 : 120,580,361.48 = 37,804,564.40 : x
  2. Step 2: Convert to fraction form
    80,351,518.64/120,580,361.48 = 37,804,564.40/x
  3. Step 3: Cross multiply
    80,351,518.64x = 120,580,361.48 × 37,804,564.40
  4. Step 4: Simplify right side
    80,351,518.64x = 4,558,488,040,945,939
  5. Step 5: Solve for x
    x = 4,558,488,040,945,939/80,351,518.64
  6. Step 6: Final answer
    x = 56,731,821.85

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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.