Finding the Fourth Proportional to 93,276,601.20, 139,914,901.80 and 71,753,240.70
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Solution
The fourth proportional to 93,276,601.20, 139,914,901.80 and 71,753,240.70 is: 107,629,861.05
Step by Step Solution
- Step 1: Write the proportion equation
93,276,601.20 : 139,914,901.80 = 71,753,240.70 : x - Step 2: Convert to fraction form
93,276,601.20/139,914,901.80 = 71,753,240.70/x - Step 3: Cross multiply
93,276,601.20x = 139,914,901.80 × 71,753,240.70 - Step 4: Simplify right side
93,276,601.20x = 10,039,347,626,372,264 - Step 5: Solve for x
x = 10,039,347,626,372,264/93,276,601.20 - Step 6: Final answer
x = 107,629,861.05
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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.