Home / 320,089,076.31-441,723,373.52-173,411,360.31

Finding the Fourth Proportional to 320,089,076.31, 441,723,373.52 and 173,411,360.31

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Solution

The fourth proportional to 320,089,076.31, 441,723,373.52 and 173,411,360.31 is: 239,307,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,089,076.31 : 441,723,373.52 = 173,411,360.31 : x
  2. Step 2: Convert to fraction form
    320,089,076.31/441,723,373.52 = 173,411,360.31/x
  3. Step 3: Cross multiply
    320,089,076.31x = 441,723,373.52 × 173,411,360.31
  4. Step 4: Simplify right side
    320,089,076.31x = 76,599,851,082,825,424
  5. Step 5: Solve for x
    x = 76,599,851,082,825,424/320,089,076.31
  6. Step 6: Final answer
    x = 239,307,920.05

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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.