Finding the Fourth Proportional to 79,804,918.70, 119,707,378.05 and 43,399,241.90
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Solution
The fourth proportional to 79,804,918.70, 119,707,378.05 and 43,399,241.90 is: 65,098,862.85
Step by Step Solution
- Step 1: Write the proportion equation
79,804,918.70 : 119,707,378.05 = 43,399,241.90 : x - Step 2: Convert to fraction form
79,804,918.70/119,707,378.05 = 43,399,241.90/x - Step 3: Cross multiply
79,804,918.70x = 119,707,378.05 × 43,399,241.90 - Step 4: Simplify right side
79,804,918.70x = 5,195,209,457,206,700 - Step 5: Solve for x
x = 5,195,209,457,206,700/79,804,918.70 - Step 6: Final answer
x = 65,098,862.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.