Home / 81,876,095.80-122,778,714.30-33,337,817.80

Finding the Fourth Proportional to 81,876,095.80, 122,778,714.30 and 33,337,817.80

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Solution

The fourth proportional to 81,876,095.80, 122,778,714.30 and 33,337,817.80 is: 49,992,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,876,095.80 : 122,778,714.30 = 33,337,817.80 : x
  2. Step 2: Convert to fraction form
    81,876,095.80/122,778,714.30 = 33,337,817.80/x
  3. Step 3: Cross multiply
    81,876,095.80x = 122,778,714.30 × 33,337,817.80
  4. Step 4: Simplify right side
    81,876,095.80x = 4,093,174,407,051,654.50
  5. Step 5: Solve for x
    x = 4,093,174,407,051,654.50/81,876,095.80
  6. Step 6: Final answer
    x = 49,992,300.77

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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.