Home / 276,048,086.40-414,072,129.60-81,989,452.80

Finding the Fourth Proportional to 276,048,086.40, 414,072,129.60 and 81,989,452.80

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Solution

The fourth proportional to 276,048,086.40, 414,072,129.60 and 81,989,452.80 is: 122,984,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,048,086.40 : 414,072,129.60 = 81,989,452.80 : x
  2. Step 2: Convert to fraction form
    276,048,086.40/414,072,129.60 = 81,989,452.80/x
  3. Step 3: Cross multiply
    276,048,086.40x = 414,072,129.60 × 81,989,452.80
  4. Step 4: Simplify right side
    276,048,086.40x = 33,949,547,325,634,684
  5. Step 5: Solve for x
    x = 33,949,547,325,634,684/276,048,086.40
  6. Step 6: Final answer
    x = 122,984,179.20

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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.