Finding the Fourth Proportional to 189,960,193,313.80, 284,940,289,970.70 and 65,883,600,161.80
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Solution
The fourth proportional to 189,960,193,313.80, 284,940,289,970.70 and 65,883,600,161.80 is: 98,825,400,242.70
Step by Step Solution
- Step 1: Write the proportion equation
189,960,193,313.80 : 284,940,289,970.70 = 65,883,600,161.80 : x - Step 2: Convert to fraction form
189,960,193,313.80/284,940,289,970.70 = 65,883,600,161.80/x - Step 3: Cross multiply
189,960,193,313.80x = 284,940,289,970.70 × 65,883,600,161.80 - Step 4: Simplify right side
189,960,193,313.80x = 18,772,892,134,416,951,803,904 - Step 5: Solve for x
x = 18,772,892,134,416,951,803,904/189,960,193,313.80 - Step 6: Final answer
x = 98,825,400,242.70
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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.