Home / 69,537,793.60-104,306,690.40-18,424,979.20

Finding the Fourth Proportional to 69,537,793.60, 104,306,690.40 and 18,424,979.20

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Solution

The fourth proportional to 69,537,793.60, 104,306,690.40 and 18,424,979.20 is: 27,637,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,537,793.60 : 104,306,690.40 = 18,424,979.20 : x
  2. Step 2: Convert to fraction form
    69,537,793.60/104,306,690.40 = 18,424,979.20/x
  3. Step 3: Cross multiply
    69,537,793.60x = 104,306,690.40 × 18,424,979.20
  4. Step 4: Simplify right side
    69,537,793.60x = 1,921,848,601,040,839.75
  5. Step 5: Solve for x
    x = 1,921,848,601,040,839.75/69,537,793.60
  6. Step 6: Final answer
    x = 27,637,468.80

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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.