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Finding the Fourth Proportional to 201,284,413.56, 301,892,982.46 and 55,732,687.88

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Solution

The fourth proportional to 201,284,413.56, 301,892,982.46 and 55,732,687.88 is: 83,589,717.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,284,413.56 : 301,892,982.46 = 55,732,687.88 : x
  2. Step 2: Convert to fraction form
    201,284,413.56/301,892,982.46 = 55,732,687.88/x
  3. Step 3: Cross multiply
    201,284,413.56x = 301,892,982.46 × 55,732,687.88
  4. Step 4: Simplify right side
    201,284,413.56x = 16,825,307,362,956,696
  5. Step 5: Solve for x
    x = 16,825,307,362,956,696/201,284,413.56
  6. Step 6: Final answer
    x = 83,589,717.98

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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.