Finding the Fourth Proportional to 129,195,444.82, 193,715,110.70 and 51,484,304.02
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Solution
The fourth proportional to 129,195,444.82, 193,715,110.70 and 51,484,304.02 is: 77,195,350.55
Step by Step Solution
- Step 1: Write the proportion equation
129,195,444.82 : 193,715,110.70 = 51,484,304.02 : x - Step 2: Convert to fraction form
129,195,444.82/193,715,110.70 = 51,484,304.02/x - Step 3: Cross multiply
129,195,444.82x = 193,715,110.70 × 51,484,304.02 - Step 4: Simplify right side
129,195,444.82x = 9,973,287,652,546,756 - Step 5: Solve for x
x = 9,973,287,652,546,756/129,195,444.82 - Step 6: Final answer
x = 77,195,350.55
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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.