Home / 72,613,942.08-108,942,245.28-21,497,291.52

Finding the Fourth Proportional to 72,613,942.08, 108,942,245.28 and 21,497,291.52

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Solution

The fourth proportional to 72,613,942.08, 108,942,245.28 and 21,497,291.52 is: 32,252,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,613,942.08 : 108,942,245.28 = 21,497,291.52 : x
  2. Step 2: Convert to fraction form
    72,613,942.08/108,942,245.28 = 21,497,291.52/x
  3. Step 3: Cross multiply
    72,613,942.08x = 108,942,245.28 × 21,497,291.52
  4. Step 4: Simplify right side
    72,613,942.08x = 2,341,963,205,627,504
  5. Step 5: Solve for x
    x = 2,341,963,205,627,504/72,613,942.08
  6. Step 6: Final answer
    x = 32,252,252.65

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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.