Home / 320,898,481.74-481,207,554.27-113,567,985.32

Finding the Fourth Proportional to 320,898,481.74, 481,207,554.27 and 113,567,985.32

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Solution

The fourth proportional to 320,898,481.74, 481,207,554.27 and 113,567,985.32 is: 170,302,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,898,481.74 : 481,207,554.27 = 113,567,985.32 : x
  2. Step 2: Convert to fraction form
    320,898,481.74/481,207,554.27 = 113,567,985.32/x
  3. Step 3: Cross multiply
    320,898,481.74x = 481,207,554.27 × 113,567,985.32
  4. Step 4: Simplify right side
    320,898,481.74x = 54,649,772,456,802,424
  5. Step 5: Solve for x
    x = 54,649,772,456,802,424/320,898,481.74
  6. Step 6: Final answer
    x = 170,302,371.52

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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.