Home / 69,146,774.40-103,720,161.60-53,841,273.60

Finding the Fourth Proportional to 69,146,774.40, 103,720,161.60 and 53,841,273.60

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Solution

The fourth proportional to 69,146,774.40, 103,720,161.60 and 53,841,273.60 is: 80,761,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,146,774.40 : 103,720,161.60 = 53,841,273.60 : x
  2. Step 2: Convert to fraction form
    69,146,774.40/103,720,161.60 = 53,841,273.60/x
  3. Step 3: Cross multiply
    69,146,774.40x = 103,720,161.60 × 53,841,273.60
  4. Step 4: Simplify right side
    69,146,774.40x = 5,584,425,598,541,814
  5. Step 5: Solve for x
    x = 5,584,425,598,541,814/69,146,774.40
  6. Step 6: Final answer
    x = 80,761,910.40

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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.