Home / 305,112,629.60-457,647,949.20-97,848,015.20

Finding the Fourth Proportional to 305,112,629.60, 457,647,949.20 and 97,848,015.20

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Solution

The fourth proportional to 305,112,629.60, 457,647,949.20 and 97,848,015.20 is: 146,765,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,112,629.60 : 457,647,949.20 = 97,848,015.20 : x
  2. Step 2: Convert to fraction form
    305,112,629.60/457,647,949.20 = 97,848,015.20/x
  3. Step 3: Cross multiply
    305,112,629.60x = 457,647,949.20 × 97,848,015.20
  4. Step 4: Simplify right side
    305,112,629.60x = 44,779,943,489,570,432
  5. Step 5: Solve for x
    x = 44,779,943,489,570,432/305,112,629.60
  6. Step 6: Final answer
    x = 146,765,289.75

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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.