Finding the Fourth Proportional to 88,771,386,936.96, 122,517,778,102 and 69,882,629,251.23
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Solution
The fourth proportional to 88,771,386,936.96, 122,517,778,102 and 69,882,629,251.23 is: 96,448,470,157.02
Step by Step Solution
- Step 1: Write the proportion equation
88,771,386,936.96 : 122,517,778,102 = 69,882,629,251.23 : x - Step 2: Convert to fraction form
88,771,386,936.96/122,517,778,102 = 69,882,629,251.23/x - Step 3: Cross multiply
88,771,386,936.96x = 122,517,778,102 × 69,882,629,251.23 - Step 4: Simplify right side
88,771,386,936.96x = 8,561,864,463,786,530,832,384 - Step 5: Solve for x
x = 8,561,864,463,786,530,832,384/88,771,386,936.96 - Step 6: Final answer
x = 96,448,470,157.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.