Home / 262,440,748.80-393,661,123.20-89,860,204.80

Finding the Fourth Proportional to 262,440,748.80, 393,661,123.20 and 89,860,204.80

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Solution

The fourth proportional to 262,440,748.80, 393,661,123.20 and 89,860,204.80 is: 134,790,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,440,748.80 : 393,661,123.20 = 89,860,204.80 : x
  2. Step 2: Convert to fraction form
    262,440,748.80/393,661,123.20 = 89,860,204.80/x
  3. Step 3: Cross multiply
    262,440,748.80x = 393,661,123.20 × 89,860,204.80
  4. Step 4: Simplify right side
    262,440,748.80x = 35,374,469,152,550,028
  5. Step 5: Solve for x
    x = 35,374,469,152,550,028/262,440,748.80
  6. Step 6: Final answer
    x = 134,790,307.20

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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.