Finding the Fourth Proportional to 202,468,626.88, 279,405,215.04 and 109,646,981.44
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Solution
The fourth proportional to 202,468,626.88, 279,405,215.04 and 109,646,981.44 is: 151,312,027.45
Step by Step Solution
- Step 1: Write the proportion equation
202,468,626.88 : 279,405,215.04 = 109,646,981.44 : x - Step 2: Convert to fraction form
202,468,626.88/279,405,215.04 = 109,646,981.44/x - Step 3: Cross multiply
202,468,626.88x = 279,405,215.04 × 109,646,981.44 - Step 4: Simplify right side
202,468,626.88x = 30,635,938,427,730,092 - Step 5: Solve for x
x = 30,635,938,427,730,092/202,468,626.88 - Step 6: Final answer
x = 151,312,027.45
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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.