Finding the Fourth Proportional to 254,160,685.44, 381,178,042.56 and 72,409,438.08
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Solution
The fourth proportional to 254,160,685.44, 381,178,042.56 and 72,409,438.08 is: 108,596,212.76
Step by Step Solution
- Step 1: Write the proportion equation
254,160,685.44 : 381,178,042.56 = 72,409,438.08 : x - Step 2: Convert to fraction form
254,160,685.44/381,178,042.56 = 72,409,438.08/x - Step 3: Cross multiply
254,160,685.44x = 381,178,042.56 × 72,409,438.08 - Step 4: Simplify right side
254,160,685.44x = 27,600,887,870,203,924 - Step 5: Solve for x
x = 27,600,887,870,203,924/254,160,685.44 - Step 6: Final answer
x = 108,596,212.76
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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.