Home / 101,108,412.56-139,529,033.16-54,698,531.60

Finding the Fourth Proportional to 101,108,412.56, 139,529,033.16 and 54,698,531.60

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Solution

The fourth proportional to 101,108,412.56, 139,529,033.16 and 54,698,531.60 is: 75,483,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,108,412.56 : 139,529,033.16 = 54,698,531.60 : x
  2. Step 2: Convert to fraction form
    101,108,412.56/139,529,033.16 = 54,698,531.60/x
  3. Step 3: Cross multiply
    101,108,412.56x = 139,529,033.16 × 54,698,531.60
  4. Step 4: Simplify right side
    101,108,412.56x = 7,632,033,229,419,708
  5. Step 5: Solve for x
    x = 7,632,033,229,419,708/101,108,412.56
  6. Step 6: Final answer
    x = 75,483,661.90

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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.