Home / 320,089,058.68-441,723,349.20-173,411,342.68

Finding the Fourth Proportional to 320,089,058.68, 441,723,349.20 and 173,411,342.68

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Solution

The fourth proportional to 320,089,058.68, 441,723,349.20 and 173,411,342.68 is: 239,307,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,089,058.68 : 441,723,349.20 = 173,411,342.68 : x
  2. Step 2: Convert to fraction form
    320,089,058.68/441,723,349.20 = 173,411,342.68/x
  3. Step 3: Cross multiply
    320,089,058.68x = 441,723,349.20 × 173,411,342.68
  4. Step 4: Simplify right side
    320,089,058.68x = 76,599,839,077,878,512
  5. Step 5: Solve for x
    x = 76,599,839,077,878,512/320,089,058.68
  6. Step 6: Final answer
    x = 239,307,895.73

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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.