Finding the Fourth Proportional to 129,085,375.62, 193,668,995.61 and 46,085,347.47
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Solution
The fourth proportional to 129,085,375.62, 193,668,995.61 and 46,085,347.47 is: 69,142,634.59
Step by Step Solution
- Step 1: Write the proportion equation
129,085,375.62 : 193,668,995.61 = 46,085,347.47 : x - Step 2: Convert to fraction form
129,085,375.62/193,668,995.61 = 46,085,347.47/x - Step 3: Cross multiply
129,085,375.62x = 193,668,995.61 × 46,085,347.47 - Step 4: Simplify right side
129,085,375.62x = 8,925,302,956,852,755 - Step 5: Solve for x
x = 8,925,302,956,852,755/129,085,375.62 - Step 6: Final answer
x = 69,142,634.59
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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.