Finding the Fourth Proportional to 67,381,980.99, 92,987,133.69 and 36,442,150.23
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Solution
The fourth proportional to 67,381,980.99, 92,987,133.69 and 36,442,150.23 is: 50,290,167.28
Step by Step Solution
- Step 1: Write the proportion equation
67,381,980.99 : 92,987,133.69 = 36,442,150.23 : x - Step 2: Convert to fraction form
67,381,980.99/92,987,133.69 = 36,442,150.23/x - Step 3: Cross multiply
67,381,980.99x = 92,987,133.69 × 36,442,150.23 - Step 4: Simplify right side
67,381,980.99x = 3,388,651,095,388,074 - Step 5: Solve for x
x = 3,388,651,095,388,074/67,381,980.99 - Step 6: Final answer
x = 50,290,167.28
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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.