Finding the Fourth Proportional to 69,472,892.68, 95,809,866.42 and 43,369,816.84
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Solution
The fourth proportional to 69,472,892.68, 95,809,866.42 and 43,369,816.84 is: 59,811,189.63
Step by Step Solution
- Step 1: Write the proportion equation
69,472,892.68 : 95,809,866.42 = 43,369,816.84 : x - Step 2: Convert to fraction form
69,472,892.68/95,809,866.42 = 43,369,816.84/x - Step 3: Cross multiply
69,472,892.68x = 95,809,866.42 × 43,369,816.84 - Step 4: Simplify right side
69,472,892.68x = 4,155,256,358,100,267 - Step 5: Solve for x
x = 4,155,256,358,100,267/69,472,892.68 - Step 6: Final answer
x = 59,811,189.63
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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.