Finding the Fourth Proportional to 90,849,783.62, 125,372,063.60 and 49,596,675.99
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Solution
The fourth proportional to 90,849,783.62, 125,372,063.60 and 49,596,675.99 is: 68,443,064.68
Step by Step Solution
- Step 1: Write the proportion equation
90,849,783.62 : 125,372,063.60 = 49,596,675.99 : x - Step 2: Convert to fraction form
90,849,783.62/125,372,063.60 = 49,596,675.99/x - Step 3: Cross multiply
90,849,783.62x = 125,372,063.60 × 49,596,675.99 - Step 4: Simplify right side
90,849,783.62x = 6,218,037,616,318,890 - Step 5: Solve for x
x = 6,218,037,616,318,890/90,849,783.62 - Step 6: Final answer
x = 68,443,064.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.