Finding the Fourth Proportional to 89,006,930.80, 133,534,015.80 and 31,493,204.80
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Solution
The fourth proportional to 89,006,930.80, 133,534,015.80 and 31,493,204.80 is: 47,248,164.49
Step by Step Solution
- Step 1: Write the proportion equation
89,006,930.80 : 133,534,015.80 = 31,493,204.80 : x - Step 2: Convert to fraction form
89,006,930.80/133,534,015.80 = 31,493,204.80/x - Step 3: Cross multiply
89,006,930.80x = 133,534,015.80 × 31,493,204.80 - Step 4: Simplify right side
89,006,930.80x = 4,205,414,107,355,836 - Step 5: Solve for x
x = 4,205,414,107,355,836/89,006,930.80 - Step 6: Final answer
x = 47,248,164.49
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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.