Home / 68,722,693,582.86-103,084,159,949.73-21,562,786,647.18

Finding the Fourth Proportional to 68,722,693,582.86, 103,084,159,949.73 and 21,562,786,647.18

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Solution

The fourth proportional to 68,722,693,582.86, 103,084,159,949.73 and 21,562,786,647.18 is: 32,344,217,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,722,693,582.86 : 103,084,159,949.73 = 21,562,786,647.18 : x
  2. Step 2: Convert to fraction form
    68,722,693,582.86/103,084,159,949.73 = 21,562,786,647.18/x
  3. Step 3: Cross multiply
    68,722,693,582.86x = 103,084,159,949.73 × 21,562,786,647.18
  4. Step 4: Simplify right side
    68,722,693,582.86x = 2,222,781,747,699,805,323,264
  5. Step 5: Solve for x
    x = 2,222,781,747,699,805,323,264/68,722,693,582.86
  6. Step 6: Final answer
    x = 32,344,217,489.38

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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.