Home / 320,089,078.31-441,723,376.28-173,411,362.31

Finding the Fourth Proportional to 320,089,078.31, 441,723,376.28 and 173,411,362.31

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Solution

The fourth proportional to 320,089,078.31, 441,723,376.28 and 173,411,362.31 is: 239,307,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,089,078.31 : 441,723,376.28 = 173,411,362.31 : x
  2. Step 2: Convert to fraction form
    320,089,078.31/441,723,376.28 = 173,411,362.31/x
  3. Step 3: Cross multiply
    320,089,078.31x = 441,723,376.28 × 173,411,362.31
  4. Step 4: Simplify right side
    320,089,078.31x = 76,599,852,444,887,536
  5. Step 5: Solve for x
    x = 76,599,852,444,887,536/320,089,078.31
  6. Step 6: Final answer
    x = 239,307,922.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.