Home / 54,988,142.37-82,492,835.04-20,906,838.33

Finding the Fourth Proportional to 54,988,142.37, 82,492,835.04 and 20,906,838.33

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Solution

The fourth proportional to 54,988,142.37, 82,492,835.04 and 20,906,838.33 is: 31,364,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,988,142.37 : 82,492,835.04 = 20,906,838.33 : x
  2. Step 2: Convert to fraction form
    54,988,142.37/82,492,835.04 = 20,906,838.33/x
  3. Step 3: Cross multiply
    54,988,142.37x = 82,492,835.04 × 20,906,838.33
  4. Step 4: Simplify right side
    54,988,142.37x = 1,724,664,365,564,639
  5. Step 5: Solve for x
    x = 1,724,664,365,564,639/54,988,142.37
  6. Step 6: Final answer
    x = 31,364,295.85

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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.