Finding the Fourth Proportional to 358,458,939.95, 537,745,869.82 and 151,227,875.42
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Solution
The fourth proportional to 358,458,939.95, 537,745,869.82 and 151,227,875.42 is: 226,866,054.50
Step by Step Solution
- Step 1: Write the proportion equation
358,458,939.95 : 537,745,869.82 = 151,227,875.42 : x - Step 2: Convert to fraction form
358,458,939.95/537,745,869.82 = 151,227,875.42/x - Step 3: Cross multiply
358,458,939.95x = 537,745,869.82 × 151,227,875.42 - Step 4: Simplify right side
358,458,939.95x = 81,322,165,407,708,240 - Step 5: Solve for x
x = 81,322,165,407,708,240/358,458,939.95 - Step 6: Final answer
x = 226,866,054.50
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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.