Home / 81,001,613.16-111,782,522.52-43,831,893.78

Finding the Fourth Proportional to 81,001,613.16, 111,782,522.52 and 43,831,893.78

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Solution

The fourth proportional to 81,001,613.16, 111,782,522.52 and 43,831,893.78 is: 60,488,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,001,613.16 : 111,782,522.52 = 43,831,893.78 : x
  2. Step 2: Convert to fraction form
    81,001,613.16/111,782,522.52 = 43,831,893.78/x
  3. Step 3: Cross multiply
    81,001,613.16x = 111,782,522.52 × 43,831,893.78
  4. Step 4: Simplify right side
    81,001,613.16x = 4,899,639,653,557,098
  5. Step 5: Solve for x
    x = 4,899,639,653,557,098/81,001,613.16
  6. Step 6: Final answer
    x = 60,488,173.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.