Home / 78,800,551.60-118,101,294.60-38,323,879.60

Finding the Fourth Proportional to 78,800,551.60, 118,101,294.60 and 38,323,879.60

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Solution

The fourth proportional to 78,800,551.60, 118,101,294.60 and 38,323,879.60 is: 57,437,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,800,551.60 : 118,101,294.60 = 38,323,879.60 : x
  2. Step 2: Convert to fraction form
    78,800,551.60/118,101,294.60 = 38,323,879.60/x
  3. Step 3: Cross multiply
    78,800,551.60x = 118,101,294.60 × 38,323,879.60
  4. Step 4: Simplify right side
    78,800,551.60x = 4,526,099,794,854,530
  5. Step 5: Solve for x
    x = 4,526,099,794,854,530/78,800,551.60
  6. Step 6: Final answer
    x = 57,437,412.59

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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.