Home / 219,774,016.40-329,377,589.40-168,401,386.40

Finding the Fourth Proportional to 219,774,016.40, 329,377,589.40 and 168,401,386.40

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Solution

The fourth proportional to 219,774,016.40, 329,377,589.40 and 168,401,386.40 is: 252,384,897.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,774,016.40 : 329,377,589.40 = 168,401,386.40 : x
  2. Step 2: Convert to fraction form
    219,774,016.40/329,377,589.40 = 168,401,386.40/x
  3. Step 3: Cross multiply
    219,774,016.40x = 329,377,589.40 × 168,401,386.40
  4. Step 4: Simplify right side
    219,774,016.40x = 55,467,642,704,049,944
  5. Step 5: Solve for x
    x = 55,467,642,704,049,944/219,774,016.40
  6. Step 6: Final answer
    x = 252,384,897.96

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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.