Home / 72,063,038.48-108,072,201.51-25,998,919.34

Finding the Fourth Proportional to 72,063,038.48, 108,072,201.51 and 25,998,919.34

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Solution

The fourth proportional to 72,063,038.48, 108,072,201.51 and 25,998,919.34 is: 38,990,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,063,038.48 : 108,072,201.51 = 25,998,919.34 : x
  2. Step 2: Convert to fraction form
    72,063,038.48/108,072,201.51 = 25,998,919.34/x
  3. Step 3: Cross multiply
    72,063,038.48x = 108,072,201.51 × 25,998,919.34
  4. Step 4: Simplify right side
    72,063,038.48x = 2,809,760,449,414,355.50
  5. Step 5: Solve for x
    x = 2,809,760,449,414,355.50/72,063,038.48
  6. Step 6: Final answer
    x = 38,990,313.33

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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.