Home / 231,824,761.20-347,737,141.80-207,638,290.80

Finding the Fourth Proportional to 231,824,761.20, 347,737,141.80 and 207,638,290.80

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Solution

The fourth proportional to 231,824,761.20, 347,737,141.80 and 207,638,290.80 is: 311,457,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,824,761.20 : 347,737,141.80 = 207,638,290.80 : x
  2. Step 2: Convert to fraction form
    231,824,761.20/347,737,141.80 = 207,638,290.80/x
  3. Step 3: Cross multiply
    231,824,761.20x = 347,737,141.80 × 207,638,290.80
  4. Step 4: Simplify right side
    231,824,761.20x = 72,203,545,771,029,248
  5. Step 5: Solve for x
    x = 72,203,545,771,029,248/231,824,761.20
  6. Step 6: Final answer
    x = 311,457,436.20

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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.