Home / 78,804,906.55-118,207,359.83-48,571,818.55

Finding the Fourth Proportional to 78,804,906.55, 118,207,359.83 and 48,571,818.55

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Solution

The fourth proportional to 78,804,906.55, 118,207,359.83 and 48,571,818.55 is: 72,857,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,804,906.55 : 118,207,359.83 = 48,571,818.55 : x
  2. Step 2: Convert to fraction form
    78,804,906.55/118,207,359.83 = 48,571,818.55/x
  3. Step 3: Cross multiply
    78,804,906.55x = 118,207,359.83 × 48,571,818.55
  4. Step 4: Simplify right side
    78,804,906.55x = 5,741,546,432,694,460
  5. Step 5: Solve for x
    x = 5,741,546,432,694,460/78,804,906.55
  6. Step 6: Final answer
    x = 72,857,727.83

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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.