Home / 130,962,005.20-196,443,007.80-54,259,541.20

Finding the Fourth Proportional to 130,962,005.20, 196,443,007.80 and 54,259,541.20

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Solution

The fourth proportional to 130,962,005.20, 196,443,007.80 and 54,259,541.20 is: 81,389,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,962,005.20 : 196,443,007.80 = 54,259,541.20 : x
  2. Step 2: Convert to fraction form
    130,962,005.20/196,443,007.80 = 54,259,541.20/x
  3. Step 3: Cross multiply
    130,962,005.20x = 196,443,007.80 × 54,259,541.20
  4. Step 4: Simplify right side
    130,962,005.20x = 10,658,907,475,176,022
  5. Step 5: Solve for x
    x = 10,658,907,475,176,022/130,962,005.20
  6. Step 6: Final answer
    x = 81,389,311.80

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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.