Home / 216,189,072.14-324,216,539.42-77,996,714.44

Finding the Fourth Proportional to 216,189,072.14, 324,216,539.42 and 77,996,714.44

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Solution

The fourth proportional to 216,189,072.14, 324,216,539.42 and 77,996,714.44 is: 116,970,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,189,072.14 : 324,216,539.42 = 77,996,714.44 : x
  2. Step 2: Convert to fraction form
    216,189,072.14/324,216,539.42 = 77,996,714.44/x
  3. Step 3: Cross multiply
    216,189,072.14x = 324,216,539.42 × 77,996,714.44
  4. Step 4: Simplify right side
    216,189,072.14x = 25,287,824,841,866,744
  5. Step 5: Solve for x
    x = 25,287,824,841,866,744/216,189,072.14
  6. Step 6: Final answer
    x = 116,970,874.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.