Home / 259,614,202.80-389,421,304.20-75,381,322.80

Finding the Fourth Proportional to 259,614,202.80, 389,421,304.20 and 75,381,322.80

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Solution

The fourth proportional to 259,614,202.80, 389,421,304.20 and 75,381,322.80 is: 113,071,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,614,202.80 : 389,421,304.20 = 75,381,322.80 : x
  2. Step 2: Convert to fraction form
    259,614,202.80/389,421,304.20 = 75,381,322.80/x
  3. Step 3: Cross multiply
    259,614,202.80x = 389,421,304.20 × 75,381,322.80
  4. Step 4: Simplify right side
    259,614,202.80x = 29,355,093,037,097,192
  5. Step 5: Solve for x
    x = 29,355,093,037,097,192/259,614,202.80
  6. Step 6: Final answer
    x = 113,071,984.20

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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.