Finding the Fourth Proportional to 209,952,457.80, 314,928,686.70 and 95,161,201.80
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Solution
The fourth proportional to 209,952,457.80, 314,928,686.70 and 95,161,201.80 is: 142,741,802.70
Step by Step Solution
- Step 1: Write the proportion equation
209,952,457.80 : 314,928,686.70 = 95,161,201.80 : x - Step 2: Convert to fraction form
209,952,457.80/314,928,686.70 = 95,161,201.80/x - Step 3: Cross multiply
209,952,457.80x = 314,928,686.70 × 95,161,201.80 - Step 4: Simplify right side
209,952,457.80x = 29,968,992,307,667,672 - Step 5: Solve for x
x = 29,968,992,307,667,672/209,952,457.80 - Step 6: Final answer
x = 142,741,802.70
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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.