Finding the Fourth Proportional to 151,645,203.32, 209,203,910.87 and 88,889,486.18
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Solution
The fourth proportional to 151,645,203.32, 209,203,910.87 and 88,889,486.18 is: 122,628,528.54
Step by Step Solution
- Step 1: Write the proportion equation
151,645,203.32 : 209,203,910.87 = 88,889,486.18 : x - Step 2: Convert to fraction form
151,645,203.32/209,203,910.87 = 88,889,486.18/x - Step 3: Cross multiply
151,645,203.32x = 209,203,910.87 × 88,889,486.18 - Step 4: Simplify right side
151,645,203.32x = 18,596,028,142,590,352 - Step 5: Solve for x
x = 18,596,028,142,590,352/151,645,203.32 - Step 6: Final answer
x = 122,628,528.54
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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.