Finding the Fourth Proportional to 68,132,734.97, 102,199,106.90 and 54,421,686.36
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Solution
The fourth proportional to 68,132,734.97, 102,199,106.90 and 54,421,686.36 is: 81,632,533.09
Step by Step Solution
- Step 1: Write the proportion equation
68,132,734.97 : 102,199,106.90 = 54,421,686.36 : x - Step 2: Convert to fraction form
68,132,734.97/102,199,106.90 = 54,421,686.36/x - Step 3: Cross multiply
68,132,734.97x = 102,199,106.90 × 54,421,686.36 - Step 4: Simplify right side
68,132,734.97x = 5,561,847,741,711,803 - Step 5: Solve for x
x = 5,561,847,741,711,803/68,132,734.97 - Step 6: Final answer
x = 81,632,533.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.