Home / 69,406,304.80-104,145,105.30-30,571,969.36

Finding the Fourth Proportional to 69,406,304.80, 104,145,105.30 and 30,571,969.36

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Solution

The fourth proportional to 69,406,304.80, 104,145,105.30 and 30,571,969.36 is: 45,873,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,406,304.80 : 104,145,105.30 = 30,571,969.36 : x
  2. Step 2: Convert to fraction form
    69,406,304.80/104,145,105.30 = 30,571,969.36/x
  3. Step 3: Cross multiply
    69,406,304.80x = 104,145,105.30 × 30,571,969.36
  4. Step 4: Simplify right side
    69,406,304.80x = 3,183,920,968,225,573.50
  5. Step 5: Solve for x
    x = 3,183,920,968,225,573.50/69,406,304.80
  6. Step 6: Final answer
    x = 45,873,656.25

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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.