Finding the Fourth Proportional to 163,422,925.26, 225,521,802.42 and 89,081,858.12
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Solution
The fourth proportional to 163,422,925.26, 225,521,802.42 and 89,081,858.12 is: 122,931,964.25
Step by Step Solution
- Step 1: Write the proportion equation
163,422,925.26 : 225,521,802.42 = 89,081,858.12 : x - Step 2: Convert to fraction form
163,422,925.26/225,521,802.42 = 89,081,858.12/x - Step 3: Cross multiply
163,422,925.26x = 225,521,802.42 × 89,081,858.12 - Step 4: Simplify right side
163,422,925.26x = 20,089,901,205,017,500 - Step 5: Solve for x
x = 20,089,901,205,017,500/163,422,925.26 - Step 6: Final answer
x = 122,931,964.25
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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.