Finding the Fourth Proportional to 77,106,959,339.05, 115,599,610,050.27 and 48,717,050,990.05
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Solution
The fourth proportional to 77,106,959,339.05, 115,599,610,050.27 and 48,717,050,990.05 is: 73,037,144,059.67
Step by Step Solution
- Step 1: Write the proportion equation
77,106,959,339.05 : 115,599,610,050.27 = 48,717,050,990.05 : x - Step 2: Convert to fraction form
77,106,959,339.05/115,599,610,050.27 = 48,717,050,990.05/x - Step 3: Cross multiply
77,106,959,339.05x = 115,599,610,050.27 × 48,717,050,990.05 - Step 4: Simplify right side
77,106,959,339.05x = 5,631,672,097,249,131,757,568 - Step 5: Solve for x
x = 5,631,672,097,249,131,757,568/77,106,959,339.05 - Step 6: Final answer
x = 73,037,144,059.67
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1.5x scale
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.