Finding the Fourth Proportional to 66,177,236.69, 91,323,276.95 and 36,807,937.14
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Solution
The fourth proportional to 66,177,236.69, 91,323,276.95 and 36,807,937.14 is: 50,794,224.81
Step by Step Solution
- Step 1: Write the proportion equation
66,177,236.69 : 91,323,276.95 = 36,807,937.14 : x - Step 2: Convert to fraction form
66,177,236.69/91,323,276.95 = 36,807,937.14/x - Step 3: Cross multiply
66,177,236.69x = 91,323,276.95 × 36,807,937.14 - Step 4: Simplify right side
66,177,236.69x = 3,361,421,437,210,371 - Step 5: Solve for x
x = 3,361,421,437,210,371/66,177,236.69 - Step 6: Final answer
x = 50,794,224.81
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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.