Home / 66,190,138,985.07-99,284,554,188.96-30,324,722,735.61

Finding the Fourth Proportional to 66,190,138,985.07, 99,284,554,188.96 and 30,324,722,735.61

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Solution

The fourth proportional to 66,190,138,985.07, 99,284,554,188.96 and 30,324,722,735.61 is: 45,486,784,343.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,190,138,985.07 : 99,284,554,188.96 = 30,324,722,735.61 : x
  2. Step 2: Convert to fraction form
    66,190,138,985.07/99,284,554,188.96 = 30,324,722,735.61/x
  3. Step 3: Cross multiply
    66,190,138,985.07x = 99,284,554,188.96 × 30,324,722,735.61
  4. Step 4: Simplify right side
    66,190,138,985.07x = 3,010,776,577,708,858,540,032
  5. Step 5: Solve for x
    x = 3,010,776,577,708,858,540,032/66,190,138,985.07
  6. Step 6: Final answer
    x = 45,486,784,343.93

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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.