Home / 219,902,847.90-329,770,291.05-66,497,919.90

Finding the Fourth Proportional to 219,902,847.90, 329,770,291.05 and 66,497,919.90

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Solution

The fourth proportional to 219,902,847.90, 329,770,291.05 and 66,497,919.90 is: 99,721,484.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,902,847.90 : 329,770,291.05 = 66,497,919.90 : x
  2. Step 2: Convert to fraction form
    219,902,847.90/329,770,291.05 = 66,497,919.90/x
  3. Step 3: Cross multiply
    219,902,847.90x = 329,770,291.05 × 66,497,919.90
  4. Step 4: Simplify right side
    219,902,847.90x = 21,929,038,399,642,588
  5. Step 5: Solve for x
    x = 21,929,038,399,642,588/219,902,847.90
  6. Step 6: Final answer
    x = 99,721,484.32

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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.