Finding the Fourth Proportional to 157,510,052.20, 236,265,078.30 and 102,027,611.80
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Solution
The fourth proportional to 157,510,052.20, 236,265,078.30 and 102,027,611.80 is: 153,041,417.70
Step by Step Solution
- Step 1: Write the proportion equation
157,510,052.20 : 236,265,078.30 = 102,027,611.80 : x - Step 2: Convert to fraction form
157,510,052.20/236,265,078.30 = 102,027,611.80/x - Step 3: Cross multiply
157,510,052.20x = 236,265,078.30 × 102,027,611.80 - Step 4: Simplify right side
157,510,052.20x = 24,105,561,690,689,004 - Step 5: Solve for x
x = 24,105,561,690,689,004/157,510,052.20 - Step 6: Final answer
x = 153,041,417.70
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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.