Finding the Fourth Proportional to 97,009,415.51, 133,876,161.92 and 52,958,763.09
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Solution
The fourth proportional to 97,009,415.51, 133,876,161.92 and 52,958,763.09 is: 73,084,822.81
Step by Step Solution
- Step 1: Write the proportion equation
97,009,415.51 : 133,876,161.92 = 52,958,763.09 : x - Step 2: Convert to fraction form
97,009,415.51/133,876,161.92 = 52,958,763.09/x - Step 3: Cross multiply
97,009,415.51x = 133,876,161.92 × 52,958,763.09 - Step 4: Simplify right side
97,009,415.51x = 7,089,915,942,652,157 - Step 5: Solve for x
x = 7,089,915,942,652,157/97,009,415.51 - Step 6: Final answer
x = 73,084,822.81
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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.