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Finding the Fourth Proportional to 262,440,751.80, 393,661,127.70 and 89,860,207.80

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Solution

The fourth proportional to 262,440,751.80, 393,661,127.70 and 89,860,207.80 is: 134,790,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,440,751.80 : 393,661,127.70 = 89,860,207.80 : x
  2. Step 2: Convert to fraction form
    262,440,751.80/393,661,127.70 = 89,860,207.80/x
  3. Step 3: Cross multiply
    262,440,751.80x = 393,661,127.70 × 89,860,207.80
  4. Step 4: Simplify right side
    262,440,751.80x = 35,374,470,737,904,332
  5. Step 5: Solve for x
    x = 35,374,470,737,904,332/262,440,751.80
  6. Step 6: Final answer
    x = 134,790,311.70

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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.