Finding the Fourth Proportional to 125,699,449.79, 173,544,938.49 and 86,073,291.57
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Solution
The fourth proportional to 125,699,449.79, 173,544,938.49 and 86,073,291.57 is: 118,835,715.80
Step by Step Solution
- Step 1: Write the proportion equation
125,699,449.79 : 173,544,938.49 = 86,073,291.57 : x - Step 2: Convert to fraction form
125,699,449.79/173,544,938.49 = 86,073,291.57/x - Step 3: Cross multiply
125,699,449.79x = 173,544,938.49 × 86,073,291.57 - Step 4: Simplify right side
125,699,449.79x = 14,937,584,091,147,486 - Step 5: Solve for x
x = 14,937,584,091,147,486/125,699,449.79 - Step 6: Final answer
x = 118,835,715.80
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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.