Home / 130,705,913.40-196,080,149.16-38,598,967.44

Finding the Fourth Proportional to 130,705,913.40, 196,080,149.16 and 38,598,967.44

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Solution

The fourth proportional to 130,705,913.40, 196,080,149.16 and 38,598,967.44 is: 57,904,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,705,913.40 : 196,080,149.16 = 38,598,967.44 : x
  2. Step 2: Convert to fraction form
    130,705,913.40/196,080,149.16 = 38,598,967.44/x
  3. Step 3: Cross multiply
    130,705,913.40x = 196,080,149.16 × 38,598,967.44
  4. Step 4: Simplify right side
    130,705,913.40x = 7,568,491,293,057,183
  5. Step 5: Solve for x
    x = 7,568,491,293,057,183/130,705,913.40
  6. Step 6: Final answer
    x = 57,904,735.11

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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.