Home / 219,672,489.20-329,508,733.80-195,013,626.80

Finding the Fourth Proportional to 219,672,489.20, 329,508,733.80 and 195,013,626.80

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Solution

The fourth proportional to 219,672,489.20, 329,508,733.80 and 195,013,626.80 is: 292,520,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,672,489.20 : 329,508,733.80 = 195,013,626.80 : x
  2. Step 2: Convert to fraction form
    219,672,489.20/329,508,733.80 = 195,013,626.80/x
  3. Step 3: Cross multiply
    219,672,489.20x = 329,508,733.80 × 195,013,626.80
  4. Step 4: Simplify right side
    219,672,489.20x = 64,258,693,240,613,752
  5. Step 5: Solve for x
    x = 64,258,693,240,613,752/219,672,489.20
  6. Step 6: Final answer
    x = 292,520,440.20

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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.