Finding the Fourth Proportional to 292,776,416.22, 404,005,722.08 and 167,303,712.62
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Solution
The fourth proportional to 292,776,416.22, 404,005,722.08 and 167,303,712.62 is: 230,864,418.99
Step by Step Solution
- Step 1: Write the proportion equation
292,776,416.22 : 404,005,722.08 = 167,303,712.62 : x - Step 2: Convert to fraction form
292,776,416.22/404,005,722.08 = 167,303,712.62/x - Step 3: Cross multiply
292,776,416.22x = 404,005,722.08 × 167,303,712.62 - Step 4: Simplify right side
292,776,416.22x = 67,591,657,223,707,904 - Step 5: Solve for x
x = 67,591,657,223,707,904/292,776,416.22 - Step 6: Final answer
x = 230,864,418.99
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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.