Finding the Fourth Proportional to 151,775,905.84, 227,629,785.20 and 69,816,068.80
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Solution
The fourth proportional to 151,775,905.84, 227,629,785.20 and 69,816,068.80 is: 104,708,429.55
Step by Step Solution
- Step 1: Write the proportion equation
151,775,905.84 : 227,629,785.20 = 69,816,068.80 : x - Step 2: Convert to fraction form
151,775,905.84/227,629,785.20 = 69,816,068.80/x - Step 3: Cross multiply
151,775,905.84x = 227,629,785.20 × 69,816,068.80 - Step 4: Simplify right side
151,775,905.84x = 15,892,216,744,452,420 - Step 5: Solve for x
x = 15,892,216,744,452,420/151,775,905.84 - Step 6: Final answer
x = 104,708,429.55
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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.