Home / 107,839,179.70-161,758,769.55-71,559,474.10

Finding the Fourth Proportional to 107,839,179.70, 161,758,769.55 and 71,559,474.10

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Solution

The fourth proportional to 107,839,179.70, 161,758,769.55 and 71,559,474.10 is: 107,339,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,179.70 : 161,758,769.55 = 71,559,474.10 : x
  2. Step 2: Convert to fraction form
    107,839,179.70/161,758,769.55 = 71,559,474.10/x
  3. Step 3: Cross multiply
    107,839,179.70x = 161,758,769.55 × 71,559,474.10
  4. Step 4: Simplify right side
    107,839,179.70x = 11,575,372,480,061,094
  5. Step 5: Solve for x
    x = 11,575,372,480,061,094/107,839,179.70
  6. Step 6: Final answer
    x = 107,339,211.15

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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.