Finding the Fourth Proportional to 147,191,186.95, 203,125,181.36 and 81,114,056.05
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Solution
The fourth proportional to 147,191,186.95, 203,125,181.36 and 81,114,056.05 is: 111,938,137.65
Step by Step Solution
- Step 1: Write the proportion equation
147,191,186.95 : 203,125,181.36 = 81,114,056.05 : x - Step 2: Convert to fraction form
147,191,186.95/203,125,181.36 = 81,114,056.05/x - Step 3: Cross multiply
147,191,186.95x = 203,125,181.36 × 81,114,056.05 - Step 4: Simplify right side
147,191,186.95x = 16,476,307,345,849,790 - Step 5: Solve for x
x = 16,476,307,345,849,790/147,191,186.95 - Step 6: Final answer
x = 111,938,137.65
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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.