Finding the Fourth Proportional to 216,438,583.19, 298,677,242.87 and 117,317,202.41
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Solution
The fourth proportional to 216,438,583.19, 298,677,242.87 and 117,317,202.41 is: 161,893,402.01
Step by Step Solution
- Step 1: Write the proportion equation
216,438,583.19 : 298,677,242.87 = 117,317,202.41 : x - Step 2: Convert to fraction form
216,438,583.19/298,677,242.87 = 117,317,202.41/x - Step 3: Cross multiply
216,438,583.19x = 298,677,242.87 × 117,317,202.41 - Step 4: Simplify right side
216,438,583.19x = 35,039,978,558,453,852 - Step 5: Solve for x
x = 35,039,978,558,453,852/216,438,583.19 - Step 6: Final answer
x = 161,893,402.01
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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.