Finding the Fourth Proportional to 87,653,211.36, 121,000,174.08 and 52,383,458.88
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Solution
The fourth proportional to 87,653,211.36, 121,000,174.08 and 52,383,458.88 is: 72,312,326.55
Step by Step Solution
- Step 1: Write the proportion equation
87,653,211.36 : 121,000,174.08 = 52,383,458.88 : x - Step 2: Convert to fraction form
87,653,211.36/121,000,174.08 = 52,383,458.88/x - Step 3: Cross multiply
87,653,211.36x = 121,000,174.08 × 52,383,458.88 - Step 4: Simplify right side
87,653,211.36x = 6,338,407,643,392,522 - Step 5: Solve for x
x = 6,338,407,643,392,522/87,653,211.36 - Step 6: Final answer
x = 72,312,326.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.