Home / 110,666,822.80-166,000,234.20-77,664,336.70

Finding the Fourth Proportional to 110,666,822.80, 166,000,234.20 and 77,664,336.70

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Solution

The fourth proportional to 110,666,822.80, 166,000,234.20 and 77,664,336.70 is: 116,496,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,666,822.80 : 166,000,234.20 = 77,664,336.70 : x
  2. Step 2: Convert to fraction form
    110,666,822.80/166,000,234.20 = 77,664,336.70/x
  3. Step 3: Cross multiply
    110,666,822.80x = 166,000,234.20 × 77,664,336.70
  4. Step 4: Simplify right side
    110,666,822.80x = 12,892,298,081,187,654
  5. Step 5: Solve for x
    x = 12,892,298,081,187,654/110,666,822.80
  6. Step 6: Final answer
    x = 116,496,505.05

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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.