Home / 217,307,119.20-325,960,678.80-131,001,100.80

Finding the Fourth Proportional to 217,307,119.20, 325,960,678.80 and 131,001,100.80

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Solution

The fourth proportional to 217,307,119.20, 325,960,678.80 and 131,001,100.80 is: 196,501,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,307,119.20 : 325,960,678.80 = 131,001,100.80 : x
  2. Step 2: Convert to fraction form
    217,307,119.20/325,960,678.80 = 131,001,100.80/x
  3. Step 3: Cross multiply
    217,307,119.20x = 325,960,678.80 × 131,001,100.80
  4. Step 4: Simplify right side
    217,307,119.20x = 42,701,207,740,315,224
  5. Step 5: Solve for x
    x = 42,701,207,740,315,224/217,307,119.20
  6. Step 6: Final answer
    x = 196,501,651.20

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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.