Home / 84,978,062,217.66-117,280,009,104.47-48,365,079,491.54

Finding the Fourth Proportional to 84,978,062,217.66, 117,280,009,104.47 and 48,365,079,491.54

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Solution

The fourth proportional to 84,978,062,217.66, 117,280,009,104.47 and 48,365,079,491.54 is: 66,749,662,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,978,062,217.66 : 117,280,009,104.47 = 48,365,079,491.54 : x
  2. Step 2: Convert to fraction form
    84,978,062,217.66/117,280,009,104.47 = 48,365,079,491.54/x
  3. Step 3: Cross multiply
    84,978,062,217.66x = 117,280,009,104.47 × 48,365,079,491.54
  4. Step 4: Simplify right side
    84,978,062,217.66x = 5,672,256,963,106,461,188,096
  5. Step 5: Solve for x
    x = 5,672,256,963,106,461,188,096/84,978,062,217.66
  6. Step 6: Final answer
    x = 66,749,662,384.36

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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.