Home / 320,089,058.43-441,723,348.86-173,411,342.43

Finding the Fourth Proportional to 320,089,058.43, 441,723,348.86 and 173,411,342.43

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Solution

The fourth proportional to 320,089,058.43, 441,723,348.86 and 173,411,342.43 is: 239,307,895.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,089,058.43 : 441,723,348.86 = 173,411,342.43 : x
  2. Step 2: Convert to fraction form
    320,089,058.43/441,723,348.86 = 173,411,342.43/x
  3. Step 3: Cross multiply
    320,089,058.43x = 441,723,348.86 × 173,411,342.43
  4. Step 4: Simplify right side
    320,089,058.43x = 76,599,838,907,620,752
  5. Step 5: Solve for x
    x = 76,599,838,907,620,752/320,089,058.43
  6. Step 6: Final answer
    x = 239,307,895.38

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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.