Home / 53,413,781.40-80,120,672.10-49,830,600.60

Finding the Fourth Proportional to 53,413,781.40, 80,120,672.10 and 49,830,600.60

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Solution

The fourth proportional to 53,413,781.40, 80,120,672.10 and 49,830,600.60 is: 74,745,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,413,781.40 : 80,120,672.10 = 49,830,600.60 : x
  2. Step 2: Convert to fraction form
    53,413,781.40/80,120,672.10 = 49,830,600.60/x
  3. Step 3: Cross multiply
    53,413,781.40x = 80,120,672.10 × 49,830,600.60
  4. Step 4: Simplify right side
    53,413,781.40x = 3,992,461,211,218,663
  5. Step 5: Solve for x
    x = 3,992,461,211,218,663/53,413,781.40
  6. Step 6: Final answer
    x = 74,745,900.90

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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.