Finding the Fourth Proportional to 125,687,292.62, 173,445,743.85 and 72,766,231.69
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Solution
The fourth proportional to 125,687,292.62, 173,445,743.85 and 72,766,231.69 is: 100,415,825.02
Step by Step Solution
- Step 1: Write the proportion equation
125,687,292.62 : 173,445,743.85 = 72,766,231.69 : x - Step 2: Convert to fraction form
125,687,292.62/173,445,743.85 = 72,766,231.69/x - Step 3: Cross multiply
125,687,292.62x = 173,445,743.85 × 72,766,231.69 - Step 4: Simplify right side
125,687,292.62x = 12,620,993,182,866,362 - Step 5: Solve for x
x = 12,620,993,182,866,362/125,687,292.62 - Step 6: Final answer
x = 100,415,825.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.