Home / 80,626,709.10-120,895,196.13-47,850,596.94

Finding the Fourth Proportional to 80,626,709.10, 120,895,196.13 and 47,850,596.94

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Solution

The fourth proportional to 80,626,709.10, 120,895,196.13 and 47,850,596.94 is: 71,749,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,626,709.10 : 120,895,196.13 = 47,850,596.94 : x
  2. Step 2: Convert to fraction form
    80,626,709.10/120,895,196.13 = 47,850,596.94/x
  3. Step 3: Cross multiply
    80,626,709.10x = 120,895,196.13 × 47,850,596.94
  4. Step 4: Simplify right side
    80,626,709.10x = 5,784,907,301,457,387
  5. Step 5: Solve for x
    x = 5,784,907,301,457,387/80,626,709.10
  6. Step 6: Final answer
    x = 71,749,267.29

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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.