Home / 69,585,178.56-96,021,946.36-40,218,413.24

Finding the Fourth Proportional to 69,585,178.56, 96,021,946.36 and 40,218,413.24

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Solution

The fourth proportional to 69,585,178.56, 96,021,946.36 and 40,218,413.24 is: 55,498,173.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,585,178.56 : 96,021,946.36 = 40,218,413.24 : x
  2. Step 2: Convert to fraction form
    69,585,178.56/96,021,946.36 = 40,218,413.24/x
  3. Step 3: Cross multiply
    69,585,178.56x = 96,021,946.36 × 40,218,413.24
  4. Step 4: Simplify right side
    69,585,178.56x = 3,861,850,318,815,594
  5. Step 5: Solve for x
    x = 3,861,850,318,815,594/69,585,178.56
  6. Step 6: Final answer
    x = 55,498,173.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.