Finding the Fourth Proportional to 89,177,961,497.63, 133,590,422,947.23 and 77,998,459,012.02
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Solution
The fourth proportional to 89,177,961,497.63, 133,590,422,947.23 and 77,998,459,012.02 is: 116,843,297,981.48
Step by Step Solution
- Step 1: Write the proportion equation
89,177,961,497.63 : 133,590,422,947.23 = 77,998,459,012.02 : x - Step 2: Convert to fraction form
89,177,961,497.63/133,590,422,947.23 = 77,998,459,012.02/x - Step 3: Cross multiply
89,177,961,497.63x = 133,590,422,947.23 × 77,998,459,012.02 - Step 4: Simplify right side
89,177,961,497.63x = 10,419,847,128,647,934,672,896 - Step 5: Solve for x
x = 10,419,847,128,647,934,672,896/89,177,961,497.63 - Step 6: Final answer
x = 116,843,297,981.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.