Home / 142,351,542.14-196,459,923.64-82,002,618.10

Finding the Fourth Proportional to 142,351,542.14, 196,459,923.64 and 82,002,618.10

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Solution

The fourth proportional to 142,351,542.14, 196,459,923.64 and 82,002,618.10 is: 113,172,136.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,351,542.14 : 196,459,923.64 = 82,002,618.10 : x
  2. Step 2: Convert to fraction form
    142,351,542.14/196,459,923.64 = 82,002,618.10/x
  3. Step 3: Cross multiply
    142,351,542.14x = 196,459,923.64 × 82,002,618.10
  4. Step 4: Simplify right side
    142,351,542.14x = 16,110,228,089,223,780
  5. Step 5: Solve for x
    x = 16,110,228,089,223,780/142,351,542.14
  6. Step 6: Final answer
    x = 113,172,136.02

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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.