Home / 78,334,824.12-108,099,907.40-43,526,619.60

Finding the Fourth Proportional to 78,334,824.12, 108,099,907.40 and 43,526,619.60

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Solution

The fourth proportional to 78,334,824.12, 108,099,907.40 and 43,526,619.60 is: 60,065,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,334,824.12 : 108,099,907.40 = 43,526,619.60 : x
  2. Step 2: Convert to fraction form
    78,334,824.12/108,099,907.40 = 43,526,619.60/x
  3. Step 3: Cross multiply
    78,334,824.12x = 108,099,907.40 × 43,526,619.60
  4. Step 4: Simplify right side
    78,334,824.12x = 4,705,223,548,195,025
  5. Step 5: Solve for x
    x = 4,705,223,548,195,025/78,334,824.12
  6. Step 6: Final answer
    x = 60,065,540.47

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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.