Home / 219,773,969.40-329,377,518.90-168,401,339.40

Finding the Fourth Proportional to 219,773,969.40, 329,377,518.90 and 168,401,339.40

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Solution

The fourth proportional to 219,773,969.40, 329,377,518.90 and 168,401,339.40 is: 252,384,827.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,773,969.40 : 329,377,518.90 = 168,401,339.40 : x
  2. Step 2: Convert to fraction form
    219,773,969.40/329,377,518.90 = 168,401,339.40/x
  3. Step 3: Cross multiply
    219,773,969.40x = 329,377,518.90 × 168,401,339.40
  4. Step 4: Simplify right side
    219,773,969.40x = 55,467,615,351,008,816
  5. Step 5: Solve for x
    x = 55,467,615,351,008,816/219,773,969.40
  6. Step 6: Final answer
    x = 252,384,827.48

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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.