Home / 145,735,399.20-218,627,593.20-43,509,770.40

Finding the Fourth Proportional to 145,735,399.20, 218,627,593.20 and 43,509,770.40

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Solution

The fourth proportional to 145,735,399.20, 218,627,593.20 and 43,509,770.40 is: 65,271,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,735,399.20 : 218,627,593.20 = 43,509,770.40 : x
  2. Step 2: Convert to fraction form
    145,735,399.20/218,627,593.20 = 43,509,770.40/x
  3. Step 3: Cross multiply
    145,735,399.20x = 218,627,593.20 × 43,509,770.40
  4. Step 4: Simplify right side
    145,735,399.20x = 9,512,436,383,236,600
  5. Step 5: Solve for x
    x = 9,512,436,383,236,600/145,735,399.20
  6. Step 6: Final answer
    x = 65,271,968.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.