Home / 78,783,930.76-118,179,272.22-24,198,689.56

Finding the Fourth Proportional to 78,783,930.76, 118,179,272.22 and 24,198,689.56

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Solution

The fourth proportional to 78,783,930.76, 118,179,272.22 and 24,198,689.56 is: 36,299,071.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,783,930.76 : 118,179,272.22 = 24,198,689.56 : x
  2. Step 2: Convert to fraction form
    78,783,930.76/118,179,272.22 = 24,198,689.56/x
  3. Step 3: Cross multiply
    78,783,930.76x = 118,179,272.22 × 24,198,689.56
  4. Step 4: Simplify right side
    78,783,930.76x = 2,859,783,520,878,512
  5. Step 5: Solve for x
    x = 2,859,783,520,878,512/78,783,930.76
  6. Step 6: Final answer
    x = 36,299,071.31

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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.