Finding the Fourth Proportional to 77,432,269.10, 106,879,096.28 and 50,613,495.53
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Solution
The fourth proportional to 77,432,269.10, 106,879,096.28 and 50,613,495.53 is: 69,861,373.36
Step by Step Solution
- Step 1: Write the proportion equation
77,432,269.10 : 106,879,096.28 = 50,613,495.53 : x - Step 2: Convert to fraction form
77,432,269.10/106,879,096.28 = 50,613,495.53/x - Step 3: Cross multiply
77,432,269.10x = 106,879,096.28 × 50,613,495.53 - Step 4: Simplify right side
77,432,269.10x = 5,409,524,661,410,358 - Step 5: Solve for x
x = 5,409,524,661,410,358/77,432,269.10 - Step 6: Final answer
x = 69,861,373.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.