Finding the Fourth Proportional to 91,295,726.81, 136,964,585.81 and 29,886,866.33
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Solution
The fourth proportional to 91,295,726.81, 136,964,585.81 and 29,886,866.33 is: 44,837,172.68
Step by Step Solution
- Step 1: Write the proportion equation
91,295,726.81 : 136,964,585.81 = 29,886,866.33 : x - Step 2: Convert to fraction form
91,295,726.81/136,964,585.81 = 29,886,866.33/x - Step 3: Cross multiply
91,295,726.81x = 136,964,585.81 × 29,886,866.33 - Step 4: Simplify right side
91,295,726.81x = 4,093,442,267,437,179 - Step 5: Solve for x
x = 4,093,442,267,437,179/91,295,726.81 - Step 6: Final answer
x = 44,837,172.68
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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.