Home / 225,805,958.69-338,668,533.81-143,680,885.29

Finding the Fourth Proportional to 225,805,958.69, 338,668,533.81 and 143,680,885.29

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Solution

The fourth proportional to 225,805,958.69, 338,668,533.81 and 143,680,885.29 is: 215,495,618.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,805,958.69 : 338,668,533.81 = 143,680,885.29 : x
  2. Step 2: Convert to fraction form
    225,805,958.69/338,668,533.81 = 143,680,885.29/x
  3. Step 3: Cross multiply
    225,805,958.69x = 338,668,533.81 × 143,680,885.29
  4. Step 4: Simplify right side
    225,805,958.69x = 48,660,194,757,687,096
  5. Step 5: Solve for x
    x = 48,660,194,757,687,096/225,805,958.69
  6. Step 6: Final answer
    x = 215,495,618.63

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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.