Home / 219,672,005.70-329,508,008.55-168,653,669.70

Finding the Fourth Proportional to 219,672,005.70, 329,508,008.55 and 168,653,669.70

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Solution

The fourth proportional to 219,672,005.70, 329,508,008.55 and 168,653,669.70 is: 252,980,504.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,672,005.70 : 329,508,008.55 = 168,653,669.70 : x
  2. Step 2: Convert to fraction form
    219,672,005.70/329,508,008.55 = 168,653,669.70/x
  3. Step 3: Cross multiply
    219,672,005.70x = 329,508,008.55 × 168,653,669.70
  4. Step 4: Simplify right side
    219,672,005.70x = 55,572,734,837,496,472
  5. Step 5: Solve for x
    x = 55,572,734,837,496,472/219,672,005.70
  6. Step 6: Final answer
    x = 252,980,504.55

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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.