Home / 131,601,130.23-181,615,233.96-72,863,793.54

Finding the Fourth Proportional to 131,601,130.23, 181,615,233.96 and 72,863,793.54

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Solution

The fourth proportional to 131,601,130.23, 181,615,233.96 and 72,863,793.54 is: 100,555,176.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,601,130.23 : 181,615,233.96 = 72,863,793.54 : x
  2. Step 2: Convert to fraction form
    131,601,130.23/181,615,233.96 = 72,863,793.54/x
  3. Step 3: Cross multiply
    131,601,130.23x = 181,615,233.96 × 72,863,793.54
  4. Step 4: Simplify right side
    131,601,130.23x = 13,233,174,910,980,238
  5. Step 5: Solve for x
    x = 13,233,174,910,980,238/131,601,130.23
  6. Step 6: Final answer
    x = 100,555,176.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.