Finding the Fourth Proportional to 207,052,912,481.71, 310,610,423,021.04 and 72,723,726,342.62
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Solution
The fourth proportional to 207,052,912,481.71, 310,610,423,021.04 and 72,723,726,342.62 is: 109,096,496,794.96
Step by Step Solution
- Step 1: Write the proportion equation
207,052,912,481.71 : 310,610,423,021.04 = 72,723,726,342.62 : x - Step 2: Convert to fraction form
207,052,912,481.71/310,610,423,021.04 = 72,723,726,342.62/x - Step 3: Cross multiply
207,052,912,481.71x = 310,610,423,021.04 × 72,723,726,342.62 - Step 4: Simplify right side
207,052,912,481.71x = 22,588,747,402,947,546,054,656 - Step 5: Solve for x
x = 22,588,747,402,947,546,054,656/207,052,912,481.71 - Step 6: Final answer
x = 109,096,496,794.96
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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.