Home / 146,647,629.10-219,971,443.65-78,623,181.10

Finding the Fourth Proportional to 146,647,629.10, 219,971,443.65 and 78,623,181.10

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Solution

The fourth proportional to 146,647,629.10, 219,971,443.65 and 78,623,181.10 is: 117,934,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,647,629.10 : 219,971,443.65 = 78,623,181.10 : x
  2. Step 2: Convert to fraction form
    146,647,629.10/219,971,443.65 = 78,623,181.10/x
  3. Step 3: Cross multiply
    146,647,629.10x = 219,971,443.65 × 78,623,181.10
  4. Step 4: Simplify right side
    146,647,629.10x = 17,294,854,650,922,394
  5. Step 5: Solve for x
    x = 17,294,854,650,922,394/146,647,629.10
  6. Step 6: Final answer
    x = 117,934,771.65

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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.