Finding the Fourth Proportional to 141,768,161.80, 212,652,242.70 and 39,532,035.40
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Solution
The fourth proportional to 141,768,161.80, 212,652,242.70 and 39,532,035.40 is: 59,298,053.10
Step by Step Solution
- Step 1: Write the proportion equation
141,768,161.80 : 212,652,242.70 = 39,532,035.40 : x - Step 2: Convert to fraction form
141,768,161.80/212,652,242.70 = 39,532,035.40/x - Step 3: Cross multiply
141,768,161.80x = 212,652,242.70 × 39,532,035.40 - Step 4: Simplify right side
141,768,161.80x = 8,406,575,986,305,791 - Step 5: Solve for x
x = 8,406,575,986,305,791/141,768,161.80 - Step 6: Final answer
x = 59,298,053.10
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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.