Home / 142,100,933.56-212,931,693.64-110,902,617.21

Finding the Fourth Proportional to 142,100,933.56, 212,931,693.64 and 110,902,617.21

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Solution

The fourth proportional to 142,100,933.56, 212,931,693.64 and 110,902,617.21 is: 166,182,455.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,100,933.56 : 212,931,693.64 = 110,902,617.21 : x
  2. Step 2: Convert to fraction form
    142,100,933.56/212,931,693.64 = 110,902,617.21/x
  3. Step 3: Cross multiply
    142,100,933.56x = 212,931,693.64 × 110,902,617.21
  4. Step 4: Simplify right side
    142,100,933.56x = 23,614,682,112,571,036
  5. Step 5: Solve for x
    x = 23,614,682,112,571,036/142,100,933.56
  6. Step 6: Final answer
    x = 166,182,455.81

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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.