Home / 53,413,815.40-80,120,723.10-49,830,634.60

Finding the Fourth Proportional to 53,413,815.40, 80,120,723.10 and 49,830,634.60

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Solution

The fourth proportional to 53,413,815.40, 80,120,723.10 and 49,830,634.60 is: 74,745,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,413,815.40 : 80,120,723.10 = 49,830,634.60 : x
  2. Step 2: Convert to fraction form
    53,413,815.40/80,120,723.10 = 49,830,634.60/x
  3. Step 3: Cross multiply
    53,413,815.40x = 80,120,723.10 × 49,830,634.60
  4. Step 4: Simplify right side
    53,413,815.40x = 3,992,466,476,683,879
  5. Step 5: Solve for x
    x = 3,992,466,476,683,879/53,413,815.40
  6. Step 6: Final answer
    x = 74,745,951.90

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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.