Home / 321,250,003.80-481,886,426.28-102,871,970.28

Finding the Fourth Proportional to 321,250,003.80, 481,886,426.28 and 102,871,970.28

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Solution

The fourth proportional to 321,250,003.80, 481,886,426.28 and 102,871,970.28 is: 154,311,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,250,003.80 : 481,886,426.28 = 102,871,970.28 : x
  2. Step 2: Convert to fraction form
    321,250,003.80/481,886,426.28 = 102,871,970.28/x
  3. Step 3: Cross multiply
    321,250,003.80x = 481,886,426.28 × 102,871,970.28
  4. Step 4: Simplify right side
    321,250,003.80x = 49,572,606,122,611,568
  5. Step 5: Solve for x
    x = 49,572,606,122,611,568/321,250,003.80
  6. Step 6: Final answer
    x = 154,311,612.56

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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.