Home / 120,227,861.75-165,930,097.08-67,324,715.38

Finding the Fourth Proportional to 120,227,861.75, 165,930,097.08 and 67,324,715.38

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Solution

The fourth proportional to 120,227,861.75, 165,930,097.08 and 67,324,715.38 is: 92,916,869.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,227,861.75 : 165,930,097.08 = 67,324,715.38 : x
  2. Step 2: Convert to fraction form
    120,227,861.75/165,930,097.08 = 67,324,715.38/x
  3. Step 3: Cross multiply
    120,227,861.75x = 165,930,097.08 × 67,324,715.38
  4. Step 4: Simplify right side
    120,227,861.75x = 11,171,196,559,346,650
  5. Step 5: Solve for x
    x = 11,171,196,559,346,650/120,227,861.75
  6. Step 6: Final answer
    x = 92,916,869.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.