Home / 81,815,525.84-112,907,821.48-44,648,201.32

Finding the Fourth Proportional to 81,815,525.84, 112,907,821.48 and 44,648,201.32

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Solution

The fourth proportional to 81,815,525.84, 112,907,821.48 and 44,648,201.32 is: 61,615,825.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,815,525.84 : 112,907,821.48 = 44,648,201.32 : x
  2. Step 2: Convert to fraction form
    81,815,525.84/112,907,821.48 = 44,648,201.32/x
  3. Step 3: Cross multiply
    81,815,525.84x = 112,907,821.48 × 44,648,201.32
  4. Step 4: Simplify right side
    81,815,525.84x = 5,041,131,143,647,771
  5. Step 5: Solve for x
    x = 5,041,131,143,647,771/81,815,525.84
  6. Step 6: Final answer
    x = 61,615,825.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.