Finding the Fourth Proportional to 226,787,330.26, 312,982,245.32 and 137,483,038.41
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Solution
The fourth proportional to 226,787,330.26, 312,982,245.32 and 137,483,038.41 is: 189,736,128.58
Step by Step Solution
- Step 1: Write the proportion equation
226,787,330.26 : 312,982,245.32 = 137,483,038.41 : x - Step 2: Convert to fraction form
226,787,330.26/312,982,245.32 = 137,483,038.41/x - Step 3: Cross multiply
226,787,330.26x = 312,982,245.32 × 137,483,038.41 - Step 4: Simplify right side
226,787,330.26x = 43,029,750,054,977,600 - Step 5: Solve for x
x = 43,029,750,054,977,600/226,787,330.26 - Step 6: Final answer
x = 189,736,128.58
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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.