Finding the Fourth Proportional to 177,705,969.80, 266,558,954.70 and 155,031,153.80
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Solution
The fourth proportional to 177,705,969.80, 266,558,954.70 and 155,031,153.80 is: 232,546,730.70
Step by Step Solution
- Step 1: Write the proportion equation
177,705,969.80 : 266,558,954.70 = 155,031,153.80 : x - Step 2: Convert to fraction form
177,705,969.80/266,558,954.70 = 155,031,153.80/x - Step 3: Cross multiply
177,705,969.80x = 266,558,954.70 × 155,031,153.80 - Step 4: Simplify right side
177,705,969.80x = 41,324,942,302,862,936 - Step 5: Solve for x
x = 41,324,942,302,862,936/177,705,969.80 - Step 6: Final answer
x = 232,546,730.70
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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.