Finding the Fourth Proportional to 125,882,663,274.99, 188,921,912,562.72 and 87,862,242,019.86
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Solution
The fourth proportional to 125,882,663,274.99, 188,921,912,562.72 and 87,862,242,019.86 is: 131,861,706,549.53
Step by Step Solution
- Step 1: Write the proportion equation
125,882,663,274.99 : 188,921,912,562.72 = 87,862,242,019.86 : x - Step 2: Convert to fraction form
125,882,663,274.99/188,921,912,562.72 = 87,862,242,019.86/x - Step 3: Cross multiply
125,882,663,274.99x = 188,921,912,562.72 × 87,862,242,019.86 - Step 4: Simplify right side
125,882,663,274.99x = 16,599,102,804,440,534,482,944 - Step 5: Solve for x
x = 16,599,102,804,440,534,482,944/125,882,663,274.99 - Step 6: Final answer
x = 131,861,706,549.53
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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.