Home / 179,186,620.80-268,829,697.60-76,999,612.80

Finding the Fourth Proportional to 179,186,620.80, 268,829,697.60 and 76,999,612.80

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Solution

The fourth proportional to 179,186,620.80, 268,829,697.60 and 76,999,612.80 is: 115,520,804.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,186,620.80 : 268,829,697.60 = 76,999,612.80 : x
  2. Step 2: Convert to fraction form
    179,186,620.80/268,829,697.60 = 76,999,612.80/x
  3. Step 3: Cross multiply
    179,186,620.80x = 268,829,697.60 × 76,999,612.80
  4. Step 4: Simplify right side
    179,186,620.80x = 20,699,782,624,341,092
  5. Step 5: Solve for x
    x = 20,699,782,624,341,092/179,186,620.80
  6. Step 6: Final answer
    x = 115,520,804.69

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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.