Finding the Fourth Proportional to 68,217,512.91, 102,315,279.68 and 19,034,638.53
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Solution
The fourth proportional to 68,217,512.91, 102,315,279.68 and 19,034,638.53 is: 28,548,891.36
Step by Step Solution
- Step 1: Write the proportion equation
68,217,512.91 : 102,315,279.68 = 19,034,638.53 : x - Step 2: Convert to fraction form
68,217,512.91/102,315,279.68 = 19,034,638.53/x - Step 3: Cross multiply
68,217,512.91x = 102,315,279.68 × 19,034,638.53 - Step 4: Simplify right side
68,217,512.91x = 1,947,534,364,804,654.25 - Step 5: Solve for x
x = 1,947,534,364,804,654.25/68,217,512.91 - Step 6: Final answer
x = 28,548,891.36
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.