Finding the Fourth Proportional to 199,591,206.30, 299,430,355.05 and 113,370,918.30
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Solution
The fourth proportional to 199,591,206.30, 299,430,355.05 and 113,370,918.30 is: 170,081,112.03
Step by Step Solution
- Step 1: Write the proportion equation
199,591,206.30 : 299,430,355.05 = 113,370,918.30 : x - Step 2: Convert to fraction form
199,591,206.30/299,430,355.05 = 113,370,918.30/x - Step 3: Cross multiply
199,591,206.30x = 299,430,355.05 × 113,370,918.30 - Step 4: Simplify right side
199,591,206.30x = 33,946,694,318,913,544 - Step 5: Solve for x
x = 33,946,694,318,913,544/199,591,206.30 - Step 6: Final answer
x = 170,081,112.03
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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.