Home / 107,957,015.80-161,935,523.70-97,543,396.60

Finding the Fourth Proportional to 107,957,015.80, 161,935,523.70 and 97,543,396.60

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Solution

The fourth proportional to 107,957,015.80, 161,935,523.70 and 97,543,396.60 is: 146,315,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,957,015.80 : 161,935,523.70 = 97,543,396.60 : x
  2. Step 2: Convert to fraction form
    107,957,015.80/161,935,523.70 = 97,543,396.60/x
  3. Step 3: Cross multiply
    107,957,015.80x = 161,935,523.70 × 97,543,396.60
  4. Step 4: Simplify right side
    107,957,015.80x = 15,795,741,011,897,798
  5. Step 5: Solve for x
    x = 15,795,741,011,897,798/107,957,015.80
  6. Step 6: Final answer
    x = 146,315,094.90

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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.