Finding the Fourth Proportional to 192,334,538.12, 288,515,143.02 and 77,319,125.96
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Solution
The fourth proportional to 192,334,538.12, 288,515,143.02 and 77,319,125.96 is: 115,984,049.99
Step by Step Solution
- Step 1: Write the proportion equation
192,334,538.12 : 288,515,143.02 = 77,319,125.96 : x - Step 2: Convert to fraction form
192,334,538.12/288,515,143.02 = 77,319,125.96/x - Step 3: Cross multiply
192,334,538.12x = 288,515,143.02 × 77,319,125.96 - Step 4: Simplify right side
192,334,538.12x = 22,307,738,684,530,792 - Step 5: Solve for x
x = 22,307,738,684,530,792/192,334,538.12 - Step 6: Final answer
x = 115,984,049.99
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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.