Home / 225,516,981,250.60-311,221,616,740.90-129,191,684,422.44

Finding the Fourth Proportional to 225,516,981,250.60, 311,221,616,740.90 and 129,191,684,422.44

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Solution

The fourth proportional to 225,516,981,250.60, 311,221,616,740.90 and 129,191,684,422.44 is: 178,289,212,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,516,981,250.60 : 311,221,616,740.90 = 129,191,684,422.44 : x
  2. Step 2: Convert to fraction form
    225,516,981,250.60/311,221,616,740.90 = 129,191,684,422.44/x
  3. Step 3: Cross multiply
    225,516,981,250.60x = 311,221,616,740.90 × 129,191,684,422.44
  4. Step 4: Simplify right side
    225,516,981,250.60x = 40,207,244,895,431,927,267,328
  5. Step 5: Solve for x
    x = 40,207,244,895,431,927,267,328/225,516,981,250.60
  6. Step 6: Final answer
    x = 178,289,212,069.37

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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.