Finding the Fourth Proportional to 90,739,121.97, 125,198,465.16 and 51,577,816.06
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Solution
The fourth proportional to 90,739,121.97, 125,198,465.16 and 51,577,816.06 is: 71,165,152.00
Step by Step Solution
- Step 1: Write the proportion equation
90,739,121.97 : 125,198,465.16 = 51,577,816.06 : x - Step 2: Convert to fraction form
90,739,121.97/125,198,465.16 = 51,577,816.06/x - Step 3: Cross multiply
90,739,121.97x = 125,198,465.16 × 51,577,816.06 - Step 4: Simplify right side
90,739,121.97x = 6,457,463,407,366,713 - Step 5: Solve for x
x = 6,457,463,407,366,713/90,739,121.97 - Step 6: Final answer
x = 71,165,152.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.