Finding the Fourth Proportional to 125,487,371.73, 173,166,245.55 and 69,731,594.85
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Solution
The fourth proportional to 125,487,371.73, 173,166,245.55 and 69,731,594.85 is: 96,226,084.82
Step by Step Solution
- Step 1: Write the proportion equation
125,487,371.73 : 173,166,245.55 = 69,731,594.85 : x - Step 2: Convert to fraction form
125,487,371.73/173,166,245.55 = 69,731,594.85/x - Step 3: Cross multiply
125,487,371.73x = 173,166,245.55 × 69,731,594.85 - Step 4: Simplify right side
125,487,371.73x = 12,075,158,476,388,216 - Step 5: Solve for x
x = 12,075,158,476,388,216/125,487,371.73 - Step 6: Final answer
x = 96,226,084.82
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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.