Finding the Fourth Proportional to 128,319,594.48, 192,490,702.56 and 36,204,139.44
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Solution
The fourth proportional to 128,319,594.48, 192,490,702.56 and 36,204,139.44 is: 54,309,400.40
Step by Step Solution
- Step 1: Write the proportion equation
128,319,594.48 : 192,490,702.56 = 36,204,139.44 : x - Step 2: Convert to fraction form
128,319,594.48/192,490,702.56 = 36,204,139.44/x - Step 3: Cross multiply
128,319,594.48x = 192,490,702.56 × 36,204,139.44 - Step 4: Simplify right side
128,319,594.48x = 6,968,960,236,385,805 - Step 5: Solve for x
x = 6,968,960,236,385,805/128,319,594.48 - Step 6: Final answer
x = 54,309,400.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.