Finding the Fourth Proportional to 69,372,542.88, 104,123,349.36 and 35,319,361.44
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Solution
The fourth proportional to 69,372,542.88, 104,123,349.36 and 35,319,361.44 is: 53,011,898.62
Step by Step Solution
- Step 1: Write the proportion equation
69,372,542.88 : 104,123,349.36 = 35,319,361.44 : x - Step 2: Convert to fraction form
69,372,542.88/104,123,349.36 = 35,319,361.44/x - Step 3: Cross multiply
69,372,542.88x = 104,123,349.36 × 35,319,361.44 - Step 4: Simplify right side
69,372,542.88x = 3,677,570,210,389,232.50 - Step 5: Solve for x
x = 3,677,570,210,389,232.50/69,372,542.88 - Step 6: Final answer
x = 53,011,898.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.