Finding the Fourth Proportional to 163,584,363.20, 245,376,544.80 and 48,586,654.40
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Solution
The fourth proportional to 163,584,363.20, 245,376,544.80 and 48,586,654.40 is: 72,879,981.60
Step by Step Solution
- Step 1: Write the proportion equation
163,584,363.20 : 245,376,544.80 = 48,586,654.40 : x - Step 2: Convert to fraction form
163,584,363.20/245,376,544.80 = 48,586,654.40/x - Step 3: Cross multiply
163,584,363.20x = 245,376,544.80 × 48,586,654.40 - Step 4: Simplify right side
163,584,363.20x = 11,922,025,380,063,718 - Step 5: Solve for x
x = 11,922,025,380,063,718/163,584,363.20 - Step 6: Final answer
x = 72,879,981.60
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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.