Home / 131,242,008.19-196,836,289.72-48,215,224.42

Finding the Fourth Proportional to 131,242,008.19, 196,836,289.72 and 48,215,224.42

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Solution

The fourth proportional to 131,242,008.19, 196,836,289.72 and 48,215,224.42 is: 72,313,019.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,242,008.19 : 196,836,289.72 = 48,215,224.42 : x
  2. Step 2: Convert to fraction form
    131,242,008.19/196,836,289.72 = 48,215,224.42/x
  3. Step 3: Cross multiply
    131,242,008.19x = 196,836,289.72 × 48,215,224.42
  4. Step 4: Simplify right side
    131,242,008.19x = 9,490,505,882,237,310
  5. Step 5: Solve for x
    x = 9,490,505,882,237,310/131,242,008.19
  6. Step 6: Final answer
    x = 72,313,019.38

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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.