Home / 74,845,861.20-112,268,791.80-54,690,469.20

Finding the Fourth Proportional to 74,845,861.20, 112,268,791.80 and 54,690,469.20

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Solution

The fourth proportional to 74,845,861.20, 112,268,791.80 and 54,690,469.20 is: 82,035,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,845,861.20 : 112,268,791.80 = 54,690,469.20 : x
  2. Step 2: Convert to fraction form
    74,845,861.20/112,268,791.80 = 54,690,469.20/x
  3. Step 3: Cross multiply
    74,845,861.20x = 112,268,791.80 × 54,690,469.20
  4. Step 4: Simplify right side
    74,845,861.20x = 6,140,032,900,059,113
  5. Step 5: Solve for x
    x = 6,140,032,900,059,113/74,845,861.20
  6. Step 6: Final answer
    x = 82,035,703.80

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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.