Home / 219,885,383.70-329,865,400.35-66,530,222.10

Finding the Fourth Proportional to 219,885,383.70, 329,865,400.35 and 66,530,222.10

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Solution

The fourth proportional to 219,885,383.70, 329,865,400.35 and 66,530,222.10 is: 99,806,626.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,885,383.70 : 329,865,400.35 = 66,530,222.10 : x
  2. Step 2: Convert to fraction form
    219,885,383.70/329,865,400.35 = 66,530,222.10/x
  3. Step 3: Cross multiply
    219,885,383.70x = 329,865,400.35 × 66,530,222.10
  4. Step 4: Simplify right side
    219,885,383.70x = 21,946,018,348,390,920
  5. Step 5: Solve for x
    x = 21,946,018,348,390,920/219,885,383.70
  6. Step 6: Final answer
    x = 99,806,626.43

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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.