Finding the Fourth Proportional to 133,016,423.66, 183,560,930.79 and 74,280,120.92
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Solution
The fourth proportional to 133,016,423.66, 183,560,930.79 and 74,280,120.92 is: 102,505,598.63
Step by Step Solution
- Step 1: Write the proportion equation
133,016,423.66 : 183,560,930.79 = 74,280,120.92 : x - Step 2: Convert to fraction form
133,016,423.66/183,560,930.79 = 74,280,120.92/x - Step 3: Cross multiply
133,016,423.66x = 183,560,930.79 × 74,280,120.92 - Step 4: Simplify right side
133,016,423.66x = 13,634,928,135,268,950 - Step 5: Solve for x
x = 13,634,928,135,268,950/133,016,423.66 - Step 6: Final answer
x = 102,505,598.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.