Home / 140,247,976.20-210,371,961.06-38,012,011.80

Finding the Fourth Proportional to 140,247,976.20, 210,371,961.06 and 38,012,011.80

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Solution

The fourth proportional to 140,247,976.20, 210,371,961.06 and 38,012,011.80 is: 57,018,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,247,976.20 : 210,371,961.06 = 38,012,011.80 : x
  2. Step 2: Convert to fraction form
    140,247,976.20/210,371,961.06 = 38,012,011.80/x
  3. Step 3: Cross multiply
    140,247,976.20x = 210,371,961.06 × 38,012,011.80
  4. Step 4: Simplify right side
    140,247,976.20x = 7,996,661,466,201,860
  5. Step 5: Solve for x
    x = 7,996,661,466,201,860/140,247,976.20
  6. Step 6: Final answer
    x = 57,018,016.82

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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.