Finding the Fourth Proportional to 248,052,802.60, 372,079,203.90 and 161,888,501.80
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Solution
The fourth proportional to 248,052,802.60, 372,079,203.90 and 161,888,501.80 is: 242,832,752.70
Step by Step Solution
- Step 1: Write the proportion equation
248,052,802.60 : 372,079,203.90 = 161,888,501.80 : x - Step 2: Convert to fraction form
248,052,802.60/372,079,203.90 = 161,888,501.80/x - Step 3: Cross multiply
248,052,802.60x = 372,079,203.90 × 161,888,501.80 - Step 4: Simplify right side
248,052,802.60x = 60,235,344,870,307,720 - Step 5: Solve for x
x = 60,235,344,870,307,720/248,052,802.60 - Step 6: Final answer
x = 242,832,752.70
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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.