Home / 219,672,066.20-329,508,099.30-168,653,730.20

Finding the Fourth Proportional to 219,672,066.20, 329,508,099.30 and 168,653,730.20

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Solution

The fourth proportional to 219,672,066.20, 329,508,099.30 and 168,653,730.20 is: 252,980,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,672,066.20 : 329,508,099.30 = 168,653,730.20 : x
  2. Step 2: Convert to fraction form
    219,672,066.20/329,508,099.30 = 168,653,730.20/x
  3. Step 3: Cross multiply
    219,672,066.20x = 329,508,099.30 × 168,653,730.20
  4. Step 4: Simplify right side
    219,672,066.20x = 55,572,770,078,057,008
  5. Step 5: Solve for x
    x = 55,572,770,078,057,008/219,672,066.20
  6. Step 6: Final answer
    x = 252,980,595.30

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1.5x scale

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.