Finding the Fourth Proportional to 68,409,051.75, 102,777,279.51 and 43,865,065.62
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Solution
The fourth proportional to 68,409,051.75, 102,777,279.51 and 43,865,065.62 is: 65,902,566.92
Step by Step Solution
- Step 1: Write the proportion equation
68,409,051.75 : 102,777,279.51 = 43,865,065.62 : x - Step 2: Convert to fraction form
68,409,051.75/102,777,279.51 = 43,865,065.62/x - Step 3: Cross multiply
68,409,051.75x = 102,777,279.51 × 43,865,065.62 - Step 4: Simplify right side
68,409,051.75x = 4,508,332,110,308,433 - Step 5: Solve for x
x = 4,508,332,110,308,433/68,409,051.75 - Step 6: Final answer
x = 65,902,566.92
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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.