Finding the Fourth Proportional to 55,102,423.80, 82,653,635.70 and 48,383,959.80
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Solution
The fourth proportional to 55,102,423.80, 82,653,635.70 and 48,383,959.80 is: 72,575,939.70
Step by Step Solution
- Step 1: Write the proportion equation
55,102,423.80 : 82,653,635.70 = 48,383,959.80 : x - Step 2: Convert to fraction form
55,102,423.80/82,653,635.70 = 48,383,959.80/x - Step 3: Cross multiply
55,102,423.80x = 82,653,635.70 × 48,383,959.80 - Step 4: Simplify right side
55,102,423.80x = 3,999,110,187,032,645 - Step 5: Solve for x
x = 3,999,110,187,032,645/55,102,423.80 - Step 6: Final answer
x = 72,575,939.70
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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.