Finding the Fourth Proportional to 71,950,108.26, 107,877,223.35 and 39,617,237.82
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Solution
The fourth proportional to 71,950,108.26, 107,877,223.35 and 39,617,237.82 is: 59,399,460.49
Step by Step Solution
- Step 1: Write the proportion equation
71,950,108.26 : 107,877,223.35 = 39,617,237.82 : x - Step 2: Convert to fraction form
71,950,108.26/107,877,223.35 = 39,617,237.82/x - Step 3: Cross multiply
71,950,108.26x = 107,877,223.35 × 39,617,237.82 - Step 4: Simplify right side
71,950,108.26x = 4,273,797,612,818,207 - Step 5: Solve for x
x = 4,273,797,612,818,207/71,950,108.26 - Step 6: Final answer
x = 59,399,460.49
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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.