Home / 69,899,606.72-104,849,354.76-18,781,625.60

Finding the Fourth Proportional to 69,899,606.72, 104,849,354.76 and 18,781,625.60

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Solution

The fourth proportional to 69,899,606.72, 104,849,354.76 and 18,781,625.60 is: 28,172,423.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,899,606.72 : 104,849,354.76 = 18,781,625.60 : x
  2. Step 2: Convert to fraction form
    69,899,606.72/104,849,354.76 = 18,781,625.60/x
  3. Step 3: Cross multiply
    69,899,606.72x = 104,849,354.76 × 18,781,625.60
  4. Step 4: Simplify right side
    69,899,606.72x = 1,969,241,325,503,898
  5. Step 5: Solve for x
    x = 1,969,241,325,503,898/69,899,606.72
  6. Step 6: Final answer
    x = 28,172,423.54

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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.