Home / 145,235,593.22-200,419,282.86-79,154,672.33

Finding the Fourth Proportional to 145,235,593.22, 200,419,282.86 and 79,154,672.33

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Solution

The fourth proportional to 145,235,593.22, 200,419,282.86 and 79,154,672.33 is: 109,230,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,235,593.22 : 200,419,282.86 = 79,154,672.33 : x
  2. Step 2: Convert to fraction form
    145,235,593.22/200,419,282.86 = 79,154,672.33/x
  3. Step 3: Cross multiply
    145,235,593.22x = 200,419,282.86 × 79,154,672.33
  4. Step 4: Simplify right side
    145,235,593.22x = 15,864,122,662,394,790
  5. Step 5: Solve for x
    x = 15,864,122,662,394,790/145,235,593.22
  6. Step 6: Final answer
    x = 109,230,267.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.