Finding the Fourth Proportional to 211,364,871.80, 317,047,307.70 and 96,573,615.80
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Solution
The fourth proportional to 211,364,871.80, 317,047,307.70 and 96,573,615.80 is: 144,860,423.70
Step by Step Solution
- Step 1: Write the proportion equation
211,364,871.80 : 317,047,307.70 = 96,573,615.80 : x - Step 2: Convert to fraction form
211,364,871.80/317,047,307.70 = 96,573,615.80/x - Step 3: Cross multiply
211,364,871.80x = 317,047,307.70 × 96,573,615.80 - Step 4: Simplify right side
211,364,871.80x = 30,618,404,884,244,180 - Step 5: Solve for x
x = 30,618,404,884,244,180/211,364,871.80 - Step 6: Final answer
x = 144,860,423.70
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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.