Home / 76,387,951.77-114,580,793.64-18,880,219.77

Finding the Fourth Proportional to 76,387,951.77, 114,580,793.64 and 18,880,219.77

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Solution

The fourth proportional to 76,387,951.77, 114,580,793.64 and 18,880,219.77 is: 28,320,049.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,387,951.77 : 114,580,793.64 = 18,880,219.77 : x
  2. Step 2: Convert to fraction form
    76,387,951.77/114,580,793.64 = 18,880,219.77/x
  3. Step 3: Cross multiply
    76,387,951.77x = 114,580,793.64 × 18,880,219.77
  4. Step 4: Simplify right side
    76,387,951.77x = 2,163,310,565,344,218.25
  5. Step 5: Solve for x
    x = 2,163,310,565,344,218.25/76,387,951.77
  6. Step 6: Final answer
    x = 28,320,049.37

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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.