Finding the Fourth Proportional to 235,691,873.20, 353,537,809.80 and 235,691,873.20
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Solution
The fourth proportional to 235,691,873.20, 353,537,809.80 and 235,691,873.20 is: 353,537,809.80
Step by Step Solution
- Step 1: Write the proportion equation
235,691,873.20 : 353,537,809.80 = 235,691,873.20 : x - Step 2: Convert to fraction form
235,691,873.20/353,537,809.80 = 235,691,873.20/x - Step 3: Cross multiply
235,691,873.20x = 353,537,809.80 × 235,691,873.20 - Step 4: Simplify right side
235,691,873.20x = 83,325,988,638,787,312 - Step 5: Solve for x
x = 83,325,988,638,787,312/235,691,873.20 - Step 6: Final answer
x = 353,537,809.80
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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.