Home / 80,441,759.58-120,699,748.67-36,735,916.40

Finding the Fourth Proportional to 80,441,759.58, 120,699,748.67 and 36,735,916.40

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Solution

The fourth proportional to 80,441,759.58, 120,699,748.67 and 36,735,916.40 is: 55,120,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,441,759.58 : 120,699,748.67 = 36,735,916.40 : x
  2. Step 2: Convert to fraction form
    80,441,759.58/120,699,748.67 = 36,735,916.40/x
  3. Step 3: Cross multiply
    80,441,759.58x = 120,699,748.67 × 36,735,916.40
  4. Step 4: Simplify right side
    80,441,759.58x = 4,434,015,875,854,953.50
  5. Step 5: Solve for x
    x = 4,434,015,875,854,953.50/80,441,759.58
  6. Step 6: Final answer
    x = 55,120,821.56

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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.