Finding the Fourth Proportional to 221,411,243.80, 332,116,865.70 and 98,589,323.80
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Solution
The fourth proportional to 221,411,243.80, 332,116,865.70 and 98,589,323.80 is: 147,883,985.70
Step by Step Solution
- Step 1: Write the proportion equation
221,411,243.80 : 332,116,865.70 = 98,589,323.80 : x - Step 2: Convert to fraction form
221,411,243.80/332,116,865.70 = 98,589,323.80/x - Step 3: Cross multiply
221,411,243.80x = 332,116,865.70 × 98,589,323.80 - Step 4: Simplify right side
221,411,243.80x = 32,743,177,211,938,412 - Step 5: Solve for x
x = 32,743,177,211,938,412/221,411,243.80 - Step 6: Final answer
x = 147,883,985.70
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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.