Home / 213,146,201.47-294,148,890.44-130,624,049.47

Finding the Fourth Proportional to 213,146,201.47, 294,148,890.44 and 130,624,049.47

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Solution

The fourth proportional to 213,146,201.47, 294,148,890.44 and 130,624,049.47 is: 180,265,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,146,201.47 : 294,148,890.44 = 130,624,049.47 : x
  2. Step 2: Convert to fraction form
    213,146,201.47/294,148,890.44 = 130,624,049.47/x
  3. Step 3: Cross multiply
    213,146,201.47x = 294,148,890.44 × 130,624,049.47
  4. Step 4: Simplify right side
    213,146,201.47x = 38,422,919,215,727,048
  5. Step 5: Solve for x
    x = 38,422,919,215,727,048/213,146,201.47
  6. Step 6: Final answer
    x = 180,265,559.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.