Finding the Fourth Proportional to 178,098,241.80, 266,580,492.30 and 127,079,905.80
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Solution
The fourth proportional to 178,098,241.80, 266,580,492.30 and 127,079,905.80 is: 190,215,374.99
Step by Step Solution
- Step 1: Write the proportion equation
178,098,241.80 : 266,580,492.30 = 127,079,905.80 : x - Step 2: Convert to fraction form
178,098,241.80/266,580,492.30 = 127,079,905.80/x - Step 3: Cross multiply
178,098,241.80x = 266,580,492.30 × 127,079,905.80 - Step 4: Simplify right side
178,098,241.80x = 33,877,023,849,601,628 - Step 5: Solve for x
x = 33,877,023,849,601,628/178,098,241.80 - Step 6: Final answer
x = 190,215,374.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.