Finding the Fourth Proportional to 69,901,566.19, 104,852,258.56 and 18,783,586.15
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Solution
The fourth proportional to 69,901,566.19, 104,852,258.56 and 18,783,586.15 is: 28,175,354.85
Step by Step Solution
- Step 1: Write the proportion equation
69,901,566.19 : 104,852,258.56 = 18,783,586.15 : x - Step 2: Convert to fraction form
69,901,566.19/104,852,258.56 = 18,783,586.15/x - Step 3: Cross multiply
69,901,566.19x = 104,852,258.56 × 18,783,586.15 - Step 4: Simplify right side
69,901,566.19x = 1,969,501,431,683,834.75 - Step 5: Solve for x
x = 1,969,501,431,683,834.75/69,901,566.19 - Step 6: Final answer
x = 28,175,354.85
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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.