Finding the Fourth Proportional to 311,175,769.92, 429,447,041.61 and 177,219,350.26
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Solution
The fourth proportional to 311,175,769.92, 429,447,041.61 and 177,219,350.26 is: 244,576,644.59
Step by Step Solution
- Step 1: Write the proportion equation
311,175,769.92 : 429,447,041.61 = 177,219,350.26 : x - Step 2: Convert to fraction form
311,175,769.92/429,447,041.61 = 177,219,350.26/x - Step 3: Cross multiply
311,175,769.92x = 429,447,041.61 × 177,219,350.26 - Step 4: Simplify right side
311,175,769.92x = 76,106,325,685,203,376 - Step 5: Solve for x
x = 76,106,325,685,203,376/311,175,769.92 - Step 6: Final answer
x = 244,576,644.59
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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.