Home / 54,988,139.36-82,492,830.54-20,906,835.32

Finding the Fourth Proportional to 54,988,139.36, 82,492,830.54 and 20,906,835.32

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Solution

The fourth proportional to 54,988,139.36, 82,492,830.54 and 20,906,835.32 is: 31,364,291.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,988,139.36 : 82,492,830.54 = 20,906,835.32 : x
  2. Step 2: Convert to fraction form
    54,988,139.36/82,492,830.54 = 20,906,835.32/x
  3. Step 3: Cross multiply
    54,988,139.36x = 82,492,830.54 × 20,906,835.32
  4. Step 4: Simplify right side
    54,988,139.36x = 1,724,664,022,767,982.75
  5. Step 5: Solve for x
    x = 1,724,664,022,767,982.75/54,988,139.36
  6. Step 6: Final answer
    x = 31,364,291.34

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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.