Home / 189,295,627.20-283,747,485.60-102,851,390.40

Finding the Fourth Proportional to 189,295,627.20, 283,747,485.60 and 102,851,390.40

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Solution

The fourth proportional to 189,295,627.20, 283,747,485.60 and 102,851,390.40 is: 154,170,615.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,295,627.20 : 283,747,485.60 = 102,851,390.40 : x
  2. Step 2: Convert to fraction form
    189,295,627.20/283,747,485.60 = 102,851,390.40/x
  3. Step 3: Cross multiply
    189,295,627.20x = 283,747,485.60 × 102,851,390.40
  4. Step 4: Simplify right side
    189,295,627.20x = 29,183,823,416,463,984
  5. Step 5: Solve for x
    x = 29,183,823,416,463,984/189,295,627.20
  6. Step 6: Final answer
    x = 154,170,615.81

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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.