Home / 67,790,406.36-101,695,189.77-21,721,504.08

Finding the Fourth Proportional to 67,790,406.36, 101,695,189.77 and 21,721,504.08

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Solution

The fourth proportional to 67,790,406.36, 101,695,189.77 and 21,721,504.08 is: 32,585,325.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,790,406.36 : 101,695,189.77 = 21,721,504.08 : x
  2. Step 2: Convert to fraction form
    67,790,406.36/101,695,189.77 = 21,721,504.08/x
  3. Step 3: Cross multiply
    67,790,406.36x = 101,695,189.77 × 21,721,504.08
  4. Step 4: Simplify right side
    67,790,406.36x = 2,208,972,479,505,429
  5. Step 5: Solve for x
    x = 2,208,972,479,505,429/67,790,406.36
  6. Step 6: Final answer
    x = 32,585,325.83

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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.