Finding the Fourth Proportional to 228,884,117.20, 343,326,175.80 and 132,138,235.60
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Solution
The fourth proportional to 228,884,117.20, 343,326,175.80 and 132,138,235.60 is: 198,207,353.40
Step by Step Solution
- Step 1: Write the proportion equation
228,884,117.20 : 343,326,175.80 = 132,138,235.60 : x - Step 2: Convert to fraction form
228,884,117.20/343,326,175.80 = 132,138,235.60/x - Step 3: Cross multiply
228,884,117.20x = 343,326,175.80 × 132,138,235.60 - Step 4: Simplify right side
228,884,117.20x = 45,366,515,105,507,416 - Step 5: Solve for x
x = 45,366,515,105,507,416/228,884,117.20 - Step 6: Final answer
x = 198,207,353.40
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1.5x scale
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.