Home / 130,962,004.70-196,443,007.05-54,259,540.70

Finding the Fourth Proportional to 130,962,004.70, 196,443,007.05 and 54,259,540.70

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Solution

The fourth proportional to 130,962,004.70, 196,443,007.05 and 54,259,540.70 is: 81,389,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,962,004.70 : 196,443,007.05 = 54,259,540.70 : x
  2. Step 2: Convert to fraction form
    130,962,004.70/196,443,007.05 = 54,259,540.70/x
  3. Step 3: Cross multiply
    130,962,004.70x = 196,443,007.05 × 54,259,540.70
  4. Step 4: Simplify right side
    130,962,004.70x = 10,658,907,336,259,864
  5. Step 5: Solve for x
    x = 10,658,907,336,259,864/130,962,004.70
  6. Step 6: Final answer
    x = 81,389,311.05

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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.