Home / 126,400,805.90-189,601,208.85-97,702,991.90

Finding the Fourth Proportional to 126,400,805.90, 189,601,208.85 and 97,702,991.90

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Solution

The fourth proportional to 126,400,805.90, 189,601,208.85 and 97,702,991.90 is: 146,554,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,400,805.90 : 189,601,208.85 = 97,702,991.90 : x
  2. Step 2: Convert to fraction form
    126,400,805.90/189,601,208.85 = 97,702,991.90/x
  3. Step 3: Cross multiply
    126,400,805.90x = 189,601,208.85 × 97,702,991.90
  4. Step 4: Simplify right side
    126,400,805.90x = 18,524,605,372,501,760
  5. Step 5: Solve for x
    x = 18,524,605,372,501,760/126,400,805.90
  6. Step 6: Final answer
    x = 146,554,487.85

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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.