Finding the Fourth Proportional to 225,371,045.08, 311,006,431.72 and 126,251,135.56
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Solution
The fourth proportional to 225,371,045.08, 311,006,431.72 and 126,251,135.56 is: 174,223,424.12
Step by Step Solution
- Step 1: Write the proportion equation
225,371,045.08 : 311,006,431.72 = 126,251,135.56 : x - Step 2: Convert to fraction form
225,371,045.08/311,006,431.72 = 126,251,135.56/x - Step 3: Cross multiply
225,371,045.08x = 311,006,431.72 × 126,251,135.56 - Step 4: Simplify right side
225,371,045.08x = 39,264,915,171,113,608 - Step 5: Solve for x
x = 39,264,915,171,113,608/225,371,045.08 - Step 6: Final answer
x = 174,223,424.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.