Finding the Fourth Proportional to 79,905,511.35, 119,858,267.03 and 36,858,790.35
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Solution
The fourth proportional to 79,905,511.35, 119,858,267.03 and 36,858,790.35 is: 55,288,185.53
Step by Step Solution
- Step 1: Write the proportion equation
79,905,511.35 : 119,858,267.03 = 36,858,790.35 : x - Step 2: Convert to fraction form
79,905,511.35/119,858,267.03 = 36,858,790.35/x - Step 3: Cross multiply
79,905,511.35x = 119,858,267.03 × 36,858,790.35 - Step 4: Simplify right side
79,905,511.35x = 4,417,830,735,988,793.50 - Step 5: Solve for x
x = 4,417,830,735,988,793.50/79,905,511.35 - Step 6: Final answer
x = 55,288,185.53
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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.