Home / 320,089,073.81-441,723,370.07-173,411,357.81

Finding the Fourth Proportional to 320,089,073.81, 441,723,370.07 and 173,411,357.81

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Solution

The fourth proportional to 320,089,073.81, 441,723,370.07 and 173,411,357.81 is: 239,307,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,089,073.81 : 441,723,370.07 = 173,411,357.81 : x
  2. Step 2: Convert to fraction form
    320,089,073.81/441,723,370.07 = 173,411,357.81/x
  3. Step 3: Cross multiply
    320,089,073.81x = 441,723,370.07 × 173,411,357.81
  4. Step 4: Simplify right side
    320,089,073.81x = 76,599,849,378,472,720
  5. Step 5: Solve for x
    x = 76,599,849,378,472,720/320,089,073.81
  6. Step 6: Final answer
    x = 239,307,916.60

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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.