Finding the Fourth Proportional to 71,468,152.36, 107,188,551.42 and 27,748,909.96
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Solution
The fourth proportional to 71,468,152.36, 107,188,551.42 and 27,748,909.96 is: 41,618,054.53
Step by Step Solution
- Step 1: Write the proportion equation
71,468,152.36 : 107,188,551.42 = 27,748,909.96 : x - Step 2: Convert to fraction form
71,468,152.36/107,188,551.42 = 27,748,909.96/x - Step 3: Cross multiply
71,468,152.36x = 107,188,551.42 × 27,748,909.96 - Step 4: Simplify right side
71,468,152.36x = 2,974,365,462,096,410.50 - Step 5: Solve for x
x = 2,974,365,462,096,410.50/71,468,152.36 - Step 6: Final answer
x = 41,618,054.53
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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.