Finding the Fourth Proportional to 79,804,986.70, 119,707,480.05 and 43,399,309.90
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Solution
The fourth proportional to 79,804,986.70, 119,707,480.05 and 43,399,309.90 is: 65,098,964.85
Step by Step Solution
- Step 1: Write the proportion equation
79,804,986.70 : 119,707,480.05 = 43,399,309.90 : x - Step 2: Convert to fraction form
79,804,986.70/119,707,480.05 = 43,399,309.90/x - Step 3: Cross multiply
79,804,986.70x = 119,707,480.05 × 43,399,309.90 - Step 4: Simplify right side
79,804,986.70x = 5,195,222,024,038,017 - Step 5: Solve for x
x = 5,195,222,024,038,017/79,804,986.70 - Step 6: Final answer
x = 65,098,964.85
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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.