Finding the Fourth Proportional to 199,591,192.80, 299,430,334.80 and 113,370,904.80
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Solution
The fourth proportional to 199,591,192.80, 299,430,334.80 and 113,370,904.80 is: 170,081,091.78
Step by Step Solution
- Step 1: Write the proportion equation
199,591,192.80 : 299,430,334.80 = 113,370,904.80 : x - Step 2: Convert to fraction form
199,591,192.80/299,430,334.80 = 113,370,904.80/x - Step 3: Cross multiply
199,591,192.80x = 299,430,334.80 × 113,370,904.80 - Step 4: Simplify right side
199,591,192.80x = 33,946,687,980,842,928 - Step 5: Solve for x
x = 33,946,687,980,842,928/199,591,192.80 - Step 6: Final answer
x = 170,081,091.78
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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.