Home / 76,656,122.60-114,984,183.90-61,539,578.60

Finding the Fourth Proportional to 76,656,122.60, 114,984,183.90 and 61,539,578.60

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Solution

The fourth proportional to 76,656,122.60, 114,984,183.90 and 61,539,578.60 is: 92,309,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,656,122.60 : 114,984,183.90 = 61,539,578.60 : x
  2. Step 2: Convert to fraction form
    76,656,122.60/114,984,183.90 = 61,539,578.60/x
  3. Step 3: Cross multiply
    76,656,122.60x = 114,984,183.90 × 61,539,578.60
  4. Step 4: Simplify right side
    76,656,122.60x = 7,076,078,222,870,905
  5. Step 5: Solve for x
    x = 7,076,078,222,870,905/76,656,122.60
  6. Step 6: Final answer
    x = 92,309,367.90

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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.