Home / 197,498,131.20-272,579,713.92-118,108,005.12

Finding the Fourth Proportional to 197,498,131.20, 272,579,713.92 and 118,108,005.12

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Solution

The fourth proportional to 197,498,131.20, 272,579,713.92 and 118,108,005.12 is: 163,008,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,498,131.20 : 272,579,713.92 = 118,108,005.12 : x
  2. Step 2: Convert to fraction form
    197,498,131.20/272,579,713.92 = 118,108,005.12/x
  3. Step 3: Cross multiply
    197,498,131.20x = 272,579,713.92 × 118,108,005.12
  4. Step 4: Simplify right side
    197,498,131.20x = 32,193,846,247,271,500
  5. Step 5: Solve for x
    x = 32,193,846,247,271,500/197,498,131.20
  6. Step 6: Final answer
    x = 163,008,358.87

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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.