Finding the Fourth Proportional to 67,165,914.60, 100,756,072.53 and 18,643,973.49
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Solution
The fourth proportional to 67,165,914.60, 100,756,072.53 and 18,643,973.49 is: 27,967,958.99
Step by Step Solution
- Step 1: Write the proportion equation
67,165,914.60 : 100,756,072.53 = 18,643,973.49 : x - Step 2: Convert to fraction form
67,165,914.60/100,756,072.53 = 18,643,973.49/x - Step 3: Cross multiply
67,165,914.60x = 100,756,072.53 × 18,643,973.49 - Step 4: Simplify right side
67,165,914.60x = 1,878,493,545,205,837 - Step 5: Solve for x
x = 1,878,493,545,205,837/67,165,914.60 - Step 6: Final answer
x = 27,967,958.99
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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.