Home / 107,768,241.48-161,754,561.24-66,703,463.56

Finding the Fourth Proportional to 107,768,241.48, 161,754,561.24 and 66,703,463.56

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Solution

The fourth proportional to 107,768,241.48, 161,754,561.24 and 66,703,463.56 is: 100,118,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,768,241.48 : 161,754,561.24 = 66,703,463.56 : x
  2. Step 2: Convert to fraction form
    107,768,241.48/161,754,561.24 = 66,703,463.56/x
  3. Step 3: Cross multiply
    107,768,241.48x = 161,754,561.24 × 66,703,463.56
  4. Step 4: Simplify right side
    107,768,241.48x = 10,789,589,481,336,130
  5. Step 5: Solve for x
    x = 10,789,589,481,336,130/107,768,241.48
  6. Step 6: Final answer
    x = 100,118,451.72

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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.