Finding the Fourth Proportional to 91,330,821.56, 136,982,946.24 and 26,617,250.99
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Solution
The fourth proportional to 91,330,821.56, 136,982,946.24 and 26,617,250.99 is: 39,922,004.41
Step by Step Solution
- Step 1: Write the proportion equation
91,330,821.56 : 136,982,946.24 = 26,617,250.99 : x - Step 2: Convert to fraction form
91,330,821.56/136,982,946.24 = 26,617,250.99/x - Step 3: Cross multiply
91,330,821.56x = 136,982,946.24 × 26,617,250.99 - Step 4: Simplify right side
91,330,821.56x = 3,646,109,460,734,842 - Step 5: Solve for x
x = 3,646,109,460,734,842/91,330,821.56 - Step 6: Final answer
x = 39,922,004.41
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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.