Home / 298,728,457.18-447,837,093.81-114,628,043.77

Finding the Fourth Proportional to 298,728,457.18, 447,837,093.81 and 114,628,043.77

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Solution

The fourth proportional to 298,728,457.18, 447,837,093.81 and 114,628,043.77 is: 171,843,989.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,728,457.18 : 447,837,093.81 = 114,628,043.77 : x
  2. Step 2: Convert to fraction form
    298,728,457.18/447,837,093.81 = 114,628,043.77/x
  3. Step 3: Cross multiply
    298,728,457.18x = 447,837,093.81 × 114,628,043.77
  4. Step 4: Simplify right side
    298,728,457.18x = 51,334,689,989,962,680
  5. Step 5: Solve for x
    x = 51,334,689,989,962,680/298,728,457.18
  6. Step 6: Final answer
    x = 171,843,989.94

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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.