Finding the Fourth Proportional to 91,214,438.96, 125,877,561.36 and 49,958,674.14
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Solution
The fourth proportional to 91,214,438.96, 125,877,561.36 and 49,958,674.14 is: 68,943,866.14
Step by Step Solution
- Step 1: Write the proportion equation
91,214,438.96 : 125,877,561.36 = 49,958,674.14 : x - Step 2: Convert to fraction form
91,214,438.96/125,877,561.36 = 49,958,674.14/x - Step 3: Cross multiply
91,214,438.96x = 125,877,561.36 × 49,958,674.14 - Step 4: Simplify right side
91,214,438.96x = 6,288,676,069,522,095 - Step 5: Solve for x
x = 6,288,676,069,522,095/91,214,438.96 - Step 6: Final answer
x = 68,943,866.14
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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.