Finding the Fourth Proportional to 163,347,739.20, 245,021,608.80 and 163,347,739.20
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Solution
The fourth proportional to 163,347,739.20, 245,021,608.80 and 163,347,739.20 is: 245,021,608.80
Step by Step Solution
- Step 1: Write the proportion equation
163,347,739.20 : 245,021,608.80 = 163,347,739.20 : x - Step 2: Convert to fraction form
163,347,739.20/245,021,608.80 = 163,347,739.20/x - Step 3: Cross multiply
163,347,739.20x = 245,021,608.80 × 163,347,739.20 - Step 4: Simplify right side
163,347,739.20x = 40,023,725,852,626,824 - Step 5: Solve for x
x = 40,023,725,852,626,824/163,347,739.20 - Step 6: Final answer
x = 245,021,608.80
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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.