Home / 114,649,192.62-158,194,148.04-72,840,064.68

Finding the Fourth Proportional to 114,649,192.62, 158,194,148.04 and 72,840,064.68

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Solution

The fourth proportional to 114,649,192.62, 158,194,148.04 and 72,840,064.68 is: 100,505,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,649,192.62 : 158,194,148.04 = 72,840,064.68 : x
  2. Step 2: Convert to fraction form
    114,649,192.62/158,194,148.04 = 72,840,064.68/x
  3. Step 3: Cross multiply
    114,649,192.62x = 158,194,148.04 × 72,840,064.68
  4. Step 4: Simplify right side
    114,649,192.62x = 11,522,871,975,231,096
  5. Step 5: Solve for x
    x = 11,522,871,975,231,096/114,649,192.62
  6. Step 6: Final answer
    x = 100,505,478.60

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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.