Finding the Fourth Proportional to 168,106,315.38, 251,922,436.88 and 79,380,216.42
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Solution
The fourth proportional to 168,106,315.38, 251,922,436.88 and 79,380,216.42 is: 118,958,395.55
Step by Step Solution
- Step 1: Write the proportion equation
168,106,315.38 : 251,922,436.88 = 79,380,216.42 : x - Step 2: Convert to fraction form
168,106,315.38/251,922,436.88 = 79,380,216.42/x - Step 3: Cross multiply
168,106,315.38x = 251,922,436.88 × 79,380,216.42 - Step 4: Simplify right side
168,106,315.38x = 19,997,657,560,191,288 - Step 5: Solve for x
x = 19,997,657,560,191,288/168,106,315.38 - Step 6: Final answer
x = 118,958,395.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.