Finding the Fourth Proportional to 62,188,495.65, 85,820,420.70 and 34,311,204.09
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Solution
The fourth proportional to 62,188,495.65, 85,820,420.70 and 34,311,204.09 is: 47,349,625.34
Step by Step Solution
- Step 1: Write the proportion equation
62,188,495.65 : 85,820,420.70 = 34,311,204.09 : x - Step 2: Convert to fraction form
62,188,495.65/85,820,420.70 = 34,311,204.09/x - Step 3: Cross multiply
62,188,495.65x = 85,820,420.70 × 34,311,204.09 - Step 4: Simplify right side
62,188,495.65x = 2,944,601,969,727,361 - Step 5: Solve for x
x = 2,944,601,969,727,361/62,188,495.65 - Step 6: Final answer
x = 47,349,625.34
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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.