Finding the Fourth Proportional to 209,163,364.02, 313,783,352.64 and 86,274,644.04
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Solution
The fourth proportional to 209,163,364.02, 313,783,352.64 and 86,274,644.04 is: 129,427,766.58
Step by Step Solution
- Step 1: Write the proportion equation
209,163,364.02 : 313,783,352.64 = 86,274,644.04 : x - Step 2: Convert to fraction form
209,163,364.02/313,783,352.64 = 86,274,644.04/x - Step 3: Cross multiply
209,163,364.02x = 313,783,352.64 × 86,274,644.04 - Step 4: Simplify right side
209,163,364.02x = 27,071,547,054,693,796 - Step 5: Solve for x
x = 27,071,547,054,693,796/209,163,364.02 - Step 6: Final answer
x = 129,427,766.58
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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.