Home / 276,048,015.40-414,072,023.10-84,546,908.20

Finding the Fourth Proportional to 276,048,015.40, 414,072,023.10 and 84,546,908.20

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Solution

The fourth proportional to 276,048,015.40, 414,072,023.10 and 84,546,908.20 is: 126,820,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,048,015.40 : 414,072,023.10 = 84,546,908.20 : x
  2. Step 2: Convert to fraction form
    276,048,015.40/414,072,023.10 = 84,546,908.20/x
  3. Step 3: Cross multiply
    276,048,015.40x = 414,072,023.10 × 84,546,908.20
  4. Step 4: Simplify right side
    276,048,015.40x = 35,008,509,325,223,984
  5. Step 5: Solve for x
    x = 35,008,509,325,223,984/276,048,015.40
  6. Step 6: Final answer
    x = 126,820,362.30

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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.