Home / 66,846,711.97-100,270,413.96-30,429,634.38

Finding the Fourth Proportional to 66,846,711.97, 100,270,413.96 and 30,429,634.38

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Solution

The fourth proportional to 66,846,711.97, 100,270,413.96 and 30,429,634.38 is: 45,644,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,846,711.97 : 100,270,413.96 = 30,429,634.38 : x
  2. Step 2: Convert to fraction form
    66,846,711.97/100,270,413.96 = 30,429,634.38/x
  3. Step 3: Cross multiply
    66,846,711.97x = 100,270,413.96 × 30,429,634.38
  4. Step 4: Simplify right side
    66,846,711.97x = 3,051,192,035,934,047.50
  5. Step 5: Solve for x
    x = 3,051,192,035,934,047.50/66,846,711.97
  6. Step 6: Final answer
    x = 45,644,609.08

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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.