Home / 276,048,005.40-414,072,008.10-81,989,371.80

Finding the Fourth Proportional to 276,048,005.40, 414,072,008.10 and 81,989,371.80

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Solution

The fourth proportional to 276,048,005.40, 414,072,008.10 and 81,989,371.80 is: 122,984,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,048,005.40 : 414,072,008.10 = 81,989,371.80 : x
  2. Step 2: Convert to fraction form
    276,048,005.40/414,072,008.10 = 81,989,371.80/x
  3. Step 3: Cross multiply
    276,048,005.40x = 414,072,008.10 × 81,989,371.80
  4. Step 4: Simplify right side
    276,048,005.40x = 33,949,503,824,083,512
  5. Step 5: Solve for x
    x = 33,949,503,824,083,512/276,048,005.40
  6. Step 6: Final answer
    x = 122,984,057.70

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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.