Finding the Fourth Proportional to 124,559,485.20, 186,839,227.80 and 67,163,857.20
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Solution
The fourth proportional to 124,559,485.20, 186,839,227.80 and 67,163,857.20 is: 100,745,785.80
Step by Step Solution
- Step 1: Write the proportion equation
124,559,485.20 : 186,839,227.80 = 67,163,857.20 : x - Step 2: Convert to fraction form
124,559,485.20/186,839,227.80 = 67,163,857.20/x - Step 3: Cross multiply
124,559,485.20x = 186,839,227.80 × 67,163,857.20 - Step 4: Simplify right side
124,559,485.20x = 12,548,843,215,317,472 - Step 5: Solve for x
x = 12,548,843,215,317,472/124,559,485.20 - Step 6: Final answer
x = 100,745,785.80
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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.