Home / 107,957,018.80-161,935,528.20-97,543,399.60

Finding the Fourth Proportional to 107,957,018.80, 161,935,528.20 and 97,543,399.60

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Solution

The fourth proportional to 107,957,018.80, 161,935,528.20 and 97,543,399.60 is: 146,315,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,957,018.80 : 161,935,528.20 = 97,543,399.60 : x
  2. Step 2: Convert to fraction form
    107,957,018.80/161,935,528.20 = 97,543,399.60/x
  3. Step 3: Cross multiply
    107,957,018.80x = 161,935,528.20 × 97,543,399.60
  4. Step 4: Simplify right side
    107,957,018.80x = 15,795,741,936,649,666
  5. Step 5: Solve for x
    x = 15,795,741,936,649,666/107,957,018.80
  6. Step 6: Final answer
    x = 146,315,099.40

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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.