Finding the Fourth Proportional to 161,706,197.40, 242,559,296.10 and 88,894,843.80
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Solution
The fourth proportional to 161,706,197.40, 242,559,296.10 and 88,894,843.80 is: 133,342,265.70
Step by Step Solution
- Step 1: Write the proportion equation
161,706,197.40 : 242,559,296.10 = 88,894,843.80 : x - Step 2: Convert to fraction form
161,706,197.40/242,559,296.10 = 88,894,843.80/x - Step 3: Cross multiply
161,706,197.40x = 242,559,296.10 × 88,894,843.80 - Step 4: Simplify right side
161,706,197.40x = 21,562,270,739,047,448 - Step 5: Solve for x
x = 21,562,270,739,047,448/161,706,197.40 - Step 6: Final answer
x = 133,342,265.70
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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.