Finding the Fourth Proportional to 151,705,153.68, 209,354,078.70 and 88,968,460.20
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Solution
The fourth proportional to 151,705,153.68, 209,354,078.70 and 88,968,460.20 is: 122,777,041.96
Step by Step Solution
- Step 1: Write the proportion equation
151,705,153.68 : 209,354,078.70 = 88,968,460.20 : x - Step 2: Convert to fraction form
151,705,153.68/209,354,078.70 = 88,968,460.20/x - Step 3: Cross multiply
151,705,153.68x = 209,354,078.70 × 88,968,460.20 - Step 4: Simplify right side
151,705,153.68x = 18,625,910,018,528,616 - Step 5: Solve for x
x = 18,625,910,018,528,616/151,705,153.68 - Step 6: Final answer
x = 122,777,041.96
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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.