Home / 54,638,705.64-75,398,453.40-30,190,845

Finding the Fourth Proportional to 54,638,705.64, 75,398,453.40 and 30,190,845

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Solution

The fourth proportional to 54,638,705.64, 75,398,453.40 and 30,190,845 is: 41,661,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,638,705.64 : 75,398,453.40 = 30,190,845 : x
  2. Step 2: Convert to fraction form
    54,638,705.64/75,398,453.40 = 30,190,845/x
  3. Step 3: Cross multiply
    54,638,705.64x = 75,398,453.40 × 30,190,845
  4. Step 4: Simplify right side
    54,638,705.64x = 2,276,343,019,839,123
  5. Step 5: Solve for x
    x = 2,276,343,019,839,123/54,638,705.64
  6. Step 6: Final answer
    x = 41,661,730.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.