Home / 140,498,221.64-210,593,594.46-72,345,003.08

Finding the Fourth Proportional to 140,498,221.64, 210,593,594.46 and 72,345,003.08

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Solution

The fourth proportional to 140,498,221.64, 210,593,594.46 and 72,345,003.08 is: 108,438,342.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,498,221.64 : 210,593,594.46 = 72,345,003.08 : x
  2. Step 2: Convert to fraction form
    140,498,221.64/210,593,594.46 = 72,345,003.08/x
  3. Step 3: Cross multiply
    140,498,221.64x = 210,593,594.46 × 72,345,003.08
  4. Step 4: Simplify right side
    140,498,221.64x = 15,235,394,239,836,972
  5. Step 5: Solve for x
    x = 15,235,394,239,836,972/140,498,221.64
  6. Step 6: Final answer
    x = 108,438,342.22

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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.