Finding the Fourth Proportional to 248,624,953.56, 372,971,464.92 and 84,818,729.70
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Solution
The fourth proportional to 248,624,953.56, 372,971,464.92 and 84,818,729.70 is: 127,239,705.49
Step by Step Solution
- Step 1: Write the proportion equation
248,624,953.56 : 372,971,464.92 = 84,818,729.70 : x - Step 2: Convert to fraction form
248,624,953.56/372,971,464.92 = 84,818,729.70/x - Step 3: Cross multiply
248,624,953.56x = 372,971,464.92 × 84,818,729.70 - Step 4: Simplify right side
248,624,953.56x = 31,634,965,868,862,516 - Step 5: Solve for x
x = 31,634,965,868,862,516/248,624,953.56 - Step 6: Final answer
x = 127,239,705.49
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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.