Finding the Fourth Proportional to 77,106,959,343.96, 115,599,610,057.62 and 48,717,050,994.90
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Solution
The fourth proportional to 77,106,959,343.96, 115,599,610,057.62 and 48,717,050,994.90 is: 73,037,144,066.93
Step by Step Solution
- Step 1: Write the proportion equation
77,106,959,343.96 : 115,599,610,057.62 = 48,717,050,994.90 : x - Step 2: Convert to fraction form
77,106,959,343.96/115,599,610,057.62 = 48,717,050,994.90/x - Step 3: Cross multiply
77,106,959,343.96x = 115,599,610,057.62 × 48,717,050,994.90 - Step 4: Simplify right side
77,106,959,343.96x = 5,631,672,098,167,628,759,040 - Step 5: Solve for x
x = 5,631,672,098,167,628,759,040/77,106,959,343.96 - Step 6: Final answer
x = 73,037,144,066.93
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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.