Finding the Fourth Proportional to 77,106,959,343.81, 115,599,610,057.39 and 48,717,050,994.81
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Solution
The fourth proportional to 77,106,959,343.81, 115,599,610,057.39 and 48,717,050,994.81 is: 73,037,144,066.79
Step by Step Solution
- Step 1: Write the proportion equation
77,106,959,343.81 : 115,599,610,057.39 = 48,717,050,994.81 : x - Step 2: Convert to fraction form
77,106,959,343.81/115,599,610,057.39 = 48,717,050,994.81/x - Step 3: Cross multiply
77,106,959,343.81x = 115,599,610,057.39 × 48,717,050,994.81 - Step 4: Simplify right side
77,106,959,343.81x = 5,631,672,098,146,019,704,832 - Step 5: Solve for x
x = 5,631,672,098,146,019,704,832/77,106,959,343.81 - Step 6: Final answer
x = 73,037,144,066.79
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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.