Finding the Fourth Proportional to 135,256,948,473.62, 186,658,233,936.86 and 79,578,544,956.37
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Solution
The fourth proportional to 135,256,948,473.62, 186,658,233,936.86 and 79,578,544,956.37 is: 109,820,536,604.20
Step by Step Solution
- Step 1: Write the proportion equation
135,256,948,473.62 : 186,658,233,936.86 = 79,578,544,956.37 : x - Step 2: Convert to fraction form
135,256,948,473.62/186,658,233,936.86 = 79,578,544,956.37/x - Step 3: Cross multiply
135,256,948,473.62x = 186,658,233,936.86 × 79,578,544,956.37 - Step 4: Simplify right side
135,256,948,473.62x = 14,853,990,660,820,107,788,288 - Step 5: Solve for x
x = 14,853,990,660,820,107,788,288/135,256,948,473.62 - Step 6: Final answer
x = 109,820,536,604.20
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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.