Home / 72,514,895.63-108,775,345.10-21,396,914.44

Finding the Fourth Proportional to 72,514,895.63, 108,775,345.10 and 21,396,914.44

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Solution

The fourth proportional to 72,514,895.63, 108,775,345.10 and 21,396,914.44 is: 32,096,257.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,514,895.63 : 108,775,345.10 = 21,396,914.44 : x
  2. Step 2: Convert to fraction form
    72,514,895.63/108,775,345.10 = 21,396,914.44/x
  3. Step 3: Cross multiply
    72,514,895.63x = 108,775,345.10 × 21,396,914.44
  4. Step 4: Simplify right side
    72,514,895.63x = 2,327,456,751,907,250.50
  5. Step 5: Solve for x
    x = 2,327,456,751,907,250.50/72,514,895.63
  6. Step 6: Final answer
    x = 32,096,257.35

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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.