Home / 276,048,014.90-414,072,022.35-81,989,381.30

Finding the Fourth Proportional to 276,048,014.90, 414,072,022.35 and 81,989,381.30

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Solution

The fourth proportional to 276,048,014.90, 414,072,022.35 and 81,989,381.30 is: 122,984,071.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,048,014.90 : 414,072,022.35 = 81,989,381.30 : x
  2. Step 2: Convert to fraction form
    276,048,014.90/414,072,022.35 = 81,989,381.30/x
  3. Step 3: Cross multiply
    276,048,014.90x = 414,072,022.35 × 81,989,381.30
  4. Step 4: Simplify right side
    276,048,014.90x = 33,949,508,926,116,272
  5. Step 5: Solve for x
    x = 33,949,508,926,116,272/276,048,014.90
  6. Step 6: Final answer
    x = 122,984,071.95

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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.