Home / 102,728,662.32-154,145,971.53-48,146,793.03

Finding the Fourth Proportional to 102,728,662.32, 154,145,971.53 and 48,146,793.03

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Solution

The fourth proportional to 102,728,662.32, 154,145,971.53 and 48,146,793.03 is: 72,245,019.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,728,662.32 : 154,145,971.53 = 48,146,793.03 : x
  2. Step 2: Convert to fraction form
    102,728,662.32/154,145,971.53 = 48,146,793.03/x
  3. Step 3: Cross multiply
    102,728,662.32x = 154,145,971.53 × 48,146,793.03
  4. Step 4: Simplify right side
    102,728,662.32x = 7,421,634,187,663,183
  5. Step 5: Solve for x
    x = 7,421,634,187,663,183/102,728,662.32
  6. Step 6: Final answer
    x = 72,245,019.26

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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.