Finding the Fourth Proportional to 69,695,539.08, 96,278,196.09 and 55,848,876.60
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Solution
The fourth proportional to 69,695,539.08, 96,278,196.09 and 55,848,876.60 is: 77,150,261.89
Step by Step Solution
- Step 1: Write the proportion equation
69,695,539.08 : 96,278,196.09 = 55,848,876.60 : x - Step 2: Convert to fraction form
69,695,539.08/96,278,196.09 = 55,848,876.60/x - Step 3: Cross multiply
69,695,539.08x = 96,278,196.09 × 55,848,876.60 - Step 4: Simplify right side
69,695,539.08x = 5,377,029,092,701,013 - Step 5: Solve for x
x = 5,377,029,092,701,013/69,695,539.08 - Step 6: Final answer
x = 77,150,261.89
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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.