Finding the Fourth Proportional to 181,435,643.20, 272,153,464.80 and 173,877,371.20
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Solution
The fourth proportional to 181,435,643.20, 272,153,464.80 and 173,877,371.20 is: 260,816,056.80
Step by Step Solution
- Step 1: Write the proportion equation
181,435,643.20 : 272,153,464.80 = 173,877,371.20 : x - Step 2: Convert to fraction form
181,435,643.20/272,153,464.80 = 173,877,371.20/x - Step 3: Cross multiply
181,435,643.20x = 272,153,464.80 × 173,877,371.20 - Step 4: Simplify right side
181,435,643.20x = 47,321,329,022,395,736 - Step 5: Solve for x
x = 47,321,329,022,395,736/181,435,643.20 - Step 6: Final answer
x = 260,816,056.80
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1.5x scale
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.