Home / 120,372,981.11-180,502,553.20-46,631,299.67

Finding the Fourth Proportional to 120,372,981.11, 180,502,553.20 and 46,631,299.67

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Solution

The fourth proportional to 120,372,981.11, 180,502,553.20 and 46,631,299.67 is: 69,924,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,372,981.11 : 180,502,553.20 = 46,631,299.67 : x
  2. Step 2: Convert to fraction form
    120,372,981.11/180,502,553.20 = 46,631,299.67/x
  3. Step 3: Cross multiply
    120,372,981.11x = 180,502,553.20 × 46,631,299.67
  4. Step 4: Simplify right side
    120,372,981.11x = 8,417,068,649,469,317
  5. Step 5: Solve for x
    x = 8,417,068,649,469,317/120,372,981.11
  6. Step 6: Final answer
    x = 69,924,899.86

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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.