Finding the Fourth Proportional to 235,845,281.80, 353,767,922.70 and 72,082,721.80
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Solution
The fourth proportional to 235,845,281.80, 353,767,922.70 and 72,082,721.80 is: 108,124,082.70
Step by Step Solution
- Step 1: Write the proportion equation
235,845,281.80 : 353,767,922.70 = 72,082,721.80 : x - Step 2: Convert to fraction form
235,845,281.80/353,767,922.70 = 72,082,721.80/x - Step 3: Cross multiply
235,845,281.80x = 353,767,922.70 × 72,082,721.80 - Step 4: Simplify right side
235,845,281.80x = 25,500,554,753,748,004 - Step 5: Solve for x
x = 25,500,554,753,748,004/235,845,281.80 - Step 6: Final answer
x = 108,124,082.70
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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.