Home / 135,375,931.28-186,638,349.48-107,591,419.28

Finding the Fourth Proportional to 135,375,931.28, 186,638,349.48 and 107,591,419.28

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Solution

The fourth proportional to 135,375,931.28, 186,638,349.48 and 107,591,419.28 is: 148,332,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,375,931.28 : 186,638,349.48 = 107,591,419.28 : x
  2. Step 2: Convert to fraction form
    135,375,931.28/186,638,349.48 = 107,591,419.28/x
  3. Step 3: Cross multiply
    135,375,931.28x = 186,638,349.48 × 107,591,419.28
  4. Step 4: Simplify right side
    135,375,931.28x = 20,080,684,912,629,848
  5. Step 5: Solve for x
    x = 20,080,684,912,629,848/135,375,931.28
  6. Step 6: Final answer
    x = 148,332,755.48

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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.