Home / 219,744,010.10-329,668,503.15-66,391,570.10

Finding the Fourth Proportional to 219,744,010.10, 329,668,503.15 and 66,391,570.10

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Solution

The fourth proportional to 219,744,010.10, 329,668,503.15 and 66,391,570.10 is: 99,603,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,744,010.10 : 329,668,503.15 = 66,391,570.10 : x
  2. Step 2: Convert to fraction form
    219,744,010.10/329,668,503.15 = 66,391,570.10/x
  3. Step 3: Cross multiply
    219,744,010.10x = 329,668,503.15 × 66,391,570.10
  4. Step 4: Simplify right side
    219,744,010.10x = 21,887,209,536,645,296
  5. Step 5: Solve for x
    x = 21,887,209,536,645,296/219,744,010.10
  6. Step 6: Final answer
    x = 99,603,213.42

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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.