Home / 129,485,632.40-194,228,448.60-113,560,384.40

Finding the Fourth Proportional to 129,485,632.40, 194,228,448.60 and 113,560,384.40

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Solution

The fourth proportional to 129,485,632.40, 194,228,448.60 and 113,560,384.40 is: 170,340,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,485,632.40 : 194,228,448.60 = 113,560,384.40 : x
  2. Step 2: Convert to fraction form
    129,485,632.40/194,228,448.60 = 113,560,384.40/x
  3. Step 3: Cross multiply
    129,485,632.40x = 194,228,448.60 × 113,560,384.40
  4. Step 4: Simplify right side
    129,485,632.40x = 22,056,657,284,431,644
  5. Step 5: Solve for x
    x = 22,056,657,284,431,644/129,485,632.40
  6. Step 6: Final answer
    x = 170,340,576.60

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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.