Finding the Fourth Proportional to 101,232,382.49, 139,699,992.33 and 54,821,574.35
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Solution
The fourth proportional to 101,232,382.49, 139,699,992.33 and 54,821,574.35 is: 75,653,395.95
Step by Step Solution
- Step 1: Write the proportion equation
101,232,382.49 : 139,699,992.33 = 54,821,574.35 : x - Step 2: Convert to fraction form
101,232,382.49/139,699,992.33 = 54,821,574.35/x - Step 3: Cross multiply
101,232,382.49x = 139,699,992.33 × 54,821,574.35 - Step 4: Simplify right side
101,232,382.49x = 7,658,573,515,515,025 - Step 5: Solve for x
x = 7,658,573,515,515,025/101,232,382.49 - Step 6: Final answer
x = 75,653,395.95
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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.