Finding the Fourth Proportional to 69,339,560.74, 95,690,142.36 and 39,569,615.98
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Solution
The fourth proportional to 69,339,560.74, 95,690,142.36 and 39,569,615.98 is: 54,606,953.75
Step by Step Solution
- Step 1: Write the proportion equation
69,339,560.74 : 95,690,142.36 = 39,569,615.98 : x - Step 2: Convert to fraction form
69,339,560.74/95,690,142.36 = 39,569,615.98/x - Step 3: Cross multiply
69,339,560.74x = 95,690,142.36 × 39,569,615.98 - Step 4: Simplify right side
69,339,560.74x = 3,786,422,186,017,505.50 - Step 5: Solve for x
x = 3,786,422,186,017,505.50/69,339,560.74 - Step 6: Final answer
x = 54,606,953.75
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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.