Home / 69,186,504.04-103,801,344.48-20,666,272.44

Finding the Fourth Proportional to 69,186,504.04, 103,801,344.48 and 20,666,272.44

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Solution

The fourth proportional to 69,186,504.04, 103,801,344.48 and 20,666,272.44 is: 31,005,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,186,504.04 : 103,801,344.48 = 20,666,272.44 : x
  2. Step 2: Convert to fraction form
    69,186,504.04/103,801,344.48 = 20,666,272.44/x
  3. Step 3: Cross multiply
    69,186,504.04x = 103,801,344.48 × 20,666,272.44
  4. Step 4: Simplify right side
    69,186,504.04x = 2,145,186,864,661,970.25
  5. Step 5: Solve for x
    x = 2,145,186,864,661,970.25/69,186,504.04
  6. Step 6: Final answer
    x = 31,005,857.20

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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.