Home / 72,514,833.57-108,775,252.02-21,396,852.38

Finding the Fourth Proportional to 72,514,833.57, 108,775,252.02 and 21,396,852.38

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Solution

The fourth proportional to 72,514,833.57, 108,775,252.02 and 21,396,852.38 is: 32,096,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,514,833.57 : 108,775,252.02 = 21,396,852.38 : x
  2. Step 2: Convert to fraction form
    72,514,833.57/108,775,252.02 = 21,396,852.38/x
  3. Step 3: Cross multiply
    72,514,833.57x = 108,775,252.02 × 21,396,852.38
  4. Step 4: Simplify right side
    72,514,833.57x = 2,327,448,009,525,360.50
  5. Step 5: Solve for x
    x = 2,327,448,009,525,360.50/72,514,833.57
  6. Step 6: Final answer
    x = 32,096,164.26

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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.