Home / 81,001,629.33-111,782,544.74-43,831,909.98

Finding the Fourth Proportional to 81,001,629.33, 111,782,544.74 and 43,831,909.98

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Solution

The fourth proportional to 81,001,629.33, 111,782,544.74 and 43,831,909.98 is: 60,488,196.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,001,629.33 : 111,782,544.74 = 43,831,909.98 : x
  2. Step 2: Convert to fraction form
    81,001,629.33/111,782,544.74 = 43,831,909.98/x
  3. Step 3: Cross multiply
    81,001,629.33x = 111,782,544.74 × 43,831,909.98
  4. Step 4: Simplify right side
    81,001,629.33x = 4,899,642,438,159,843
  5. Step 5: Solve for x
    x = 4,899,642,438,159,843/81,001,629.33
  6. Step 6: Final answer
    x = 60,488,196.09

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Why These Related Problems?

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