Finding the Fourth Proportional to 68,132,742.30, 102,199,117.86 and 54,421,693.68
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Solution
The fourth proportional to 68,132,742.30, 102,199,117.86 and 54,421,693.68 is: 81,632,544.04
Step by Step Solution
- Step 1: Write the proportion equation
68,132,742.30 : 102,199,117.86 = 54,421,693.68 : x - Step 2: Convert to fraction form
68,132,742.30/102,199,117.86 = 54,421,693.68/x - Step 3: Cross multiply
68,132,742.30x = 102,199,117.86 × 54,421,693.68 - Step 4: Simplify right side
68,132,742.30x = 5,561,849,086,543,137 - Step 5: Solve for x
x = 5,561,849,086,543,137/68,132,742.30 - Step 6: Final answer
x = 81,632,544.04
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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.