Finding the Fourth Proportional to 171,274,302.36, 236,358,769.50 and 92,957,858.28
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Solution
The fourth proportional to 171,274,302.36, 236,358,769.50 and 92,957,858.28 is: 128,281,970.47
Step by Step Solution
- Step 1: Write the proportion equation
171,274,302.36 : 236,358,769.50 = 92,957,858.28 : x - Step 2: Convert to fraction form
171,274,302.36/236,358,769.50 = 92,957,858.28/x - Step 3: Cross multiply
171,274,302.36x = 236,358,769.50 × 92,957,858.28 - Step 4: Simplify right side
171,274,302.36x = 21,971,404,998,416,188 - Step 5: Solve for x
x = 21,971,404,998,416,188/171,274,302.36 - Step 6: Final answer
x = 128,281,970.47
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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.