Finding the Fourth Proportional to 226,787,331.26, 312,982,246.70 and 137,483,039.41
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Solution
The fourth proportional to 226,787,331.26, 312,982,246.70 and 137,483,039.41 is: 189,736,129.96
Step by Step Solution
- Step 1: Write the proportion equation
226,787,331.26 : 312,982,246.70 = 137,483,039.41 : x - Step 2: Convert to fraction form
226,787,331.26/312,982,246.70 = 137,483,039.41/x - Step 3: Cross multiply
226,787,331.26x = 312,982,246.70 × 137,483,039.41 - Step 4: Simplify right side
226,787,331.26x = 43,029,750,557,686,440 - Step 5: Solve for x
x = 43,029,750,557,686,440/226,787,331.26 - Step 6: Final answer
x = 189,736,129.96
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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.