Home / 301,089,997.40-451,639,947.90-82,738,974.20

Finding the Fourth Proportional to 301,089,997.40, 451,639,947.90 and 82,738,974.20

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Solution

The fourth proportional to 301,089,997.40, 451,639,947.90 and 82,738,974.20 is: 124,109,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,089,997.40 : 451,639,947.90 = 82,738,974.20 : x
  2. Step 2: Convert to fraction form
    301,089,997.40/451,639,947.90 = 82,738,974.20/x
  3. Step 3: Cross multiply
    301,089,997.40x = 451,639,947.90 × 82,738,974.20
  4. Step 4: Simplify right side
    301,089,997.40x = 37,368,225,996,987,440
  5. Step 5: Solve for x
    x = 37,368,225,996,987,440/301,089,997.40
  6. Step 6: Final answer
    x = 124,109,822.05

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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.