Finding the Fourth Proportional to 106,392,407.28, 159,588,611.16 and 82,166,669.68
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Solution
The fourth proportional to 106,392,407.28, 159,588,611.16 and 82,166,669.68 is: 123,250,004.71
Step by Step Solution
- Step 1: Write the proportion equation
106,392,407.28 : 159,588,611.16 = 82,166,669.68 : x - Step 2: Convert to fraction form
106,392,407.28/159,588,611.16 = 82,166,669.68/x - Step 3: Cross multiply
106,392,407.28x = 159,588,611.16 × 82,166,669.68 - Step 4: Simplify right side
106,392,407.28x = 13,112,864,697,873,682 - Step 5: Solve for x
x = 13,112,864,697,873,682/106,392,407.28 - Step 6: Final answer
x = 123,250,004.71
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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.