Finding the Fourth Proportional to 202,302,195.06, 279,177,025.80 and 109,482,702.91
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Solution
The fourth proportional to 202,302,195.06, 279,177,025.80 and 109,482,702.91 is: 151,086,128.18
Step by Step Solution
- Step 1: Write the proportion equation
202,302,195.06 : 279,177,025.80 = 109,482,702.91 : x - Step 2: Convert to fraction form
202,302,195.06/279,177,025.80 = 109,482,702.91/x - Step 3: Cross multiply
202,302,195.06x = 279,177,025.80 × 109,482,702.91 - Step 4: Simplify right side
202,302,195.06x = 30,565,055,374,055,036 - Step 5: Solve for x
x = 30,565,055,374,055,036/202,302,195.06 - Step 6: Final answer
x = 151,086,128.18
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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.