Home / 76,387,892.52-114,580,704.78-18,880,160.52

Finding the Fourth Proportional to 76,387,892.52, 114,580,704.78 and 18,880,160.52

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Solution

The fourth proportional to 76,387,892.52, 114,580,704.78 and 18,880,160.52 is: 28,319,960.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,387,892.52 : 114,580,704.78 = 18,880,160.52 : x
  2. Step 2: Convert to fraction form
    76,387,892.52/114,580,704.78 = 18,880,160.52/x
  3. Step 3: Cross multiply
    76,387,892.52x = 114,580,704.78 × 18,880,160.52
  4. Step 4: Simplify right side
    76,387,892.52x = 2,163,302,098,741,131.25
  5. Step 5: Solve for x
    x = 2,163,302,098,741,131.25/76,387,892.52
  6. Step 6: Final answer
    x = 28,319,960.50

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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.