Home / 219,696,330.80-329,544,496.20-171,210,540.80

Finding the Fourth Proportional to 219,696,330.80, 329,544,496.20 and 171,210,540.80

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Solution

The fourth proportional to 219,696,330.80, 329,544,496.20 and 171,210,540.80 is: 256,815,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,696,330.80 : 329,544,496.20 = 171,210,540.80 : x
  2. Step 2: Convert to fraction form
    219,696,330.80/329,544,496.20 = 171,210,540.80/x
  3. Step 3: Cross multiply
    219,696,330.80x = 329,544,496.20 × 171,210,540.80
  4. Step 4: Simplify right side
    219,696,330.80x = 56,421,491,412,065,544
  5. Step 5: Solve for x
    x = 56,421,491,412,065,544/219,696,330.80
  6. Step 6: Final answer
    x = 256,815,811.20

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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.