Home / 76,832,517.96-115,240,288.59-19,324,811.70

Finding the Fourth Proportional to 76,832,517.96, 115,240,288.59 and 19,324,811.70

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Solution

The fourth proportional to 76,832,517.96, 115,240,288.59 and 19,324,811.70 is: 28,985,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,832,517.96 : 115,240,288.59 = 19,324,811.70 : x
  2. Step 2: Convert to fraction form
    76,832,517.96/115,240,288.59 = 19,324,811.70/x
  3. Step 3: Cross multiply
    76,832,517.96x = 115,240,288.59 × 19,324,811.70
  4. Step 4: Simplify right side
    76,832,517.96x = 2,226,996,877,255,408.50
  5. Step 5: Solve for x
    x = 2,226,996,877,255,408.50/76,832,517.96
  6. Step 6: Final answer
    x = 28,985,082.57

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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.