Finding the Fourth Proportional to 98,428,905.60, 147,599,121.60 and 37,824,489.60
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Solution
The fourth proportional to 98,428,905.60, 147,599,121.60 and 37,824,489.60 is: 56,719,734.98
Step by Step Solution
- Step 1: Write the proportion equation
98,428,905.60 : 147,599,121.60 = 37,824,489.60 : x - Step 2: Convert to fraction form
98,428,905.60/147,599,121.60 = 37,824,489.60/x - Step 3: Cross multiply
98,428,905.60x = 147,599,121.60 × 37,824,489.60 - Step 4: Simplify right side
98,428,905.60x = 5,582,861,439,928,335 - Step 5: Solve for x
x = 5,582,861,439,928,335/98,428,905.60 - Step 6: Final answer
x = 56,719,734.98
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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.