Home / 71,446,354,846.16-107,172,489,869.34-21,081,787,675.36

Finding the Fourth Proportional to 71,446,354,846.16, 107,172,489,869.34 and 21,081,787,675.36

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Solution

The fourth proportional to 71,446,354,846.16, 107,172,489,869.34 and 21,081,787,675.36 is: 31,623,554,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,446,354,846.16 : 107,172,489,869.34 = 21,081,787,675.36 : x
  2. Step 2: Convert to fraction form
    71,446,354,846.16/107,172,489,869.34 = 21,081,787,675.36/x
  3. Step 3: Cross multiply
    71,446,354,846.16x = 107,172,489,869.34 × 21,081,787,675.36
  4. Step 4: Simplify right side
    71,446,354,846.16x = 2,259,387,676,065,096,531,968
  5. Step 5: Solve for x
    x = 2,259,387,676,065,096,531,968/71,446,354,846.16
  6. Step 6: Final answer
    x = 31,623,554,216.73

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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.