Home / 99,419,129.25-149,137,157.56-30,347,447.23

Finding the Fourth Proportional to 99,419,129.25, 149,137,157.56 and 30,347,447.23

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Solution

The fourth proportional to 99,419,129.25, 149,137,157.56 and 30,347,447.23 is: 45,523,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,419,129.25 : 149,137,157.56 = 30,347,447.23 : x
  2. Step 2: Convert to fraction form
    99,419,129.25/149,137,157.56 = 30,347,447.23/x
  3. Step 3: Cross multiply
    99,419,129.25x = 149,137,157.56 × 30,347,447.23
  4. Step 4: Simplify right side
    99,419,129.25x = 4,525,932,019,084,296
  5. Step 5: Solve for x
    x = 4,525,932,019,084,296/99,419,129.25
  6. Step 6: Final answer
    x = 45,523,754.36

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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.