Finding the Fourth Proportional to 141,889,115.09, 195,806,708.24 and 79,161,480.86
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Solution
The fourth proportional to 141,889,115.09, 195,806,708.24 and 79,161,480.86 is: 109,242,692.61
Step by Step Solution
- Step 1: Write the proportion equation
141,889,115.09 : 195,806,708.24 = 79,161,480.86 : x - Step 2: Convert to fraction form
141,889,115.09/195,806,708.24 = 79,161,480.86/x - Step 3: Cross multiply
141,889,115.09x = 195,806,708.24 × 79,161,480.86 - Step 4: Simplify right side
141,889,115.09x = 15,500,348,985,225,526 - Step 5: Solve for x
x = 15,500,348,985,225,526/141,889,115.09 - Step 6: Final answer
x = 109,242,692.61
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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.