Home / 109,980,954.90-165,077,720.55-66,934,233.90

Finding the Fourth Proportional to 109,980,954.90, 165,077,720.55 and 66,934,233.90

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Solution

The fourth proportional to 109,980,954.90, 165,077,720.55 and 66,934,233.90 is: 100,466,037.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,980,954.90 : 165,077,720.55 = 66,934,233.90 : x
  2. Step 2: Convert to fraction form
    109,980,954.90/165,077,720.55 = 66,934,233.90/x
  3. Step 3: Cross multiply
    109,980,954.90x = 165,077,720.55 × 66,934,233.90
  4. Step 4: Simplify right side
    109,980,954.90x = 11,049,350,758,972,538
  5. Step 5: Solve for x
    x = 11,049,350,758,972,538/109,980,954.90
  6. Step 6: Final answer
    x = 100,466,037.68

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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.