Home / 66,142,343.13-99,207,099.50-20,084,611.56

Finding the Fourth Proportional to 66,142,343.13, 99,207,099.50 and 20,084,611.56

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Solution

The fourth proportional to 66,142,343.13, 99,207,099.50 and 20,084,611.56 is: 30,124,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142,343.13 : 99,207,099.50 = 20,084,611.56 : x
  2. Step 2: Convert to fraction form
    66,142,343.13/99,207,099.50 = 20,084,611.56/x
  3. Step 3: Cross multiply
    66,142,343.13x = 99,207,099.50 × 20,084,611.56
  4. Step 4: Simplify right side
    66,142,343.13x = 1,992,536,057,351,347
  5. Step 5: Solve for x
    x = 1,992,536,057,351,347/66,142,343.13
  6. Step 6: Final answer
    x = 30,124,969.32

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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.