Home / 231,824,762.20-347,737,143.30-207,638,291.80

Finding the Fourth Proportional to 231,824,762.20, 347,737,143.30 and 207,638,291.80

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Solution

The fourth proportional to 231,824,762.20, 347,737,143.30 and 207,638,291.80 is: 311,457,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,824,762.20 : 347,737,143.30 = 207,638,291.80 : x
  2. Step 2: Convert to fraction form
    231,824,762.20/347,737,143.30 = 207,638,291.80/x
  3. Step 3: Cross multiply
    231,824,762.20x = 347,737,143.30 × 207,638,291.80
  4. Step 4: Simplify right side
    231,824,762.20x = 72,203,546,430,223,824
  5. Step 5: Solve for x
    x = 72,203,546,430,223,824/231,824,762.20
  6. Step 6: Final answer
    x = 311,457,437.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.