Home / 101,138,268.48-139,571,180.32-54,728,522.56

Finding the Fourth Proportional to 101,138,268.48, 139,571,180.32 and 54,728,522.56

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Solution

The fourth proportional to 101,138,268.48, 139,571,180.32 and 54,728,522.56 is: 75,525,561.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,138,268.48 : 139,571,180.32 = 54,728,522.56 : x
  2. Step 2: Convert to fraction form
    101,138,268.48/139,571,180.32 = 54,728,522.56/x
  3. Step 3: Cross multiply
    101,138,268.48x = 139,571,180.32 × 54,728,522.56
  4. Step 4: Simplify right side
    101,138,268.48x = 7,638,524,490,868,948
  5. Step 5: Solve for x
    x = 7,638,524,490,868,948/101,138,268.48
  6. Step 6: Final answer
    x = 75,525,561.25

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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.