Home / 104,993,216.80-157,489,825.20-66,530,010.40

Finding the Fourth Proportional to 104,993,216.80, 157,489,825.20 and 66,530,010.40

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Solution

The fourth proportional to 104,993,216.80, 157,489,825.20 and 66,530,010.40 is: 99,795,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,993,216.80 : 157,489,825.20 = 66,530,010.40 : x
  2. Step 2: Convert to fraction form
    104,993,216.80/157,489,825.20 = 66,530,010.40/x
  3. Step 3: Cross multiply
    104,993,216.80x = 157,489,825.20 × 66,530,010.40
  4. Step 4: Simplify right side
    104,993,216.80x = 10,477,799,708,450,182
  5. Step 5: Solve for x
    x = 10,477,799,708,450,182/104,993,216.80
  6. Step 6: Final answer
    x = 99,795,015.60

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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.