Home / 99,667,729.20-149,501,593.80-97,428,241.20

Finding the Fourth Proportional to 99,667,729.20, 149,501,593.80 and 97,428,241.20

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Solution

The fourth proportional to 99,667,729.20, 149,501,593.80 and 97,428,241.20 is: 146,142,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,667,729.20 : 149,501,593.80 = 97,428,241.20 : x
  2. Step 2: Convert to fraction form
    99,667,729.20/149,501,593.80 = 97,428,241.20/x
  3. Step 3: Cross multiply
    99,667,729.20x = 149,501,593.80 × 97,428,241.20
  4. Step 4: Simplify right side
    99,667,729.20x = 14,565,677,340,530,826
  5. Step 5: Solve for x
    x = 14,565,677,340,530,826/99,667,729.20
  6. Step 6: Final answer
    x = 146,142,361.80

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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.