Home / 320,089,156.56-441,723,485.70-173,411,440.56

Finding the Fourth Proportional to 320,089,156.56, 441,723,485.70 and 173,411,440.56

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Solution

The fourth proportional to 320,089,156.56, 441,723,485.70 and 173,411,440.56 is: 239,308,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,089,156.56 : 441,723,485.70 = 173,411,440.56 : x
  2. Step 2: Convert to fraction form
    320,089,156.56/441,723,485.70 = 173,411,440.56/x
  3. Step 3: Cross multiply
    320,089,156.56x = 441,723,485.70 × 173,411,440.56
  4. Step 4: Simplify right side
    320,089,156.56x = 76,599,905,984,421,552
  5. Step 5: Solve for x
    x = 76,599,905,984,421,552/320,089,156.56
  6. Step 6: Final answer
    x = 239,308,031.57

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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.