Finding the Fourth Proportional to 68,375,972.96, 94,355,105.20 and 37,430,156.24
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Solution
The fourth proportional to 68,375,972.96, 94,355,105.20 and 37,430,156.24 is: 51,651,569.65
Step by Step Solution
- Step 1: Write the proportion equation
68,375,972.96 : 94,355,105.20 = 37,430,156.24 : x - Step 2: Convert to fraction form
68,375,972.96/94,355,105.20 = 37,430,156.24/x - Step 3: Cross multiply
68,375,972.96x = 94,355,105.20 × 37,430,156.24 - Step 4: Simplify right side
68,375,972.96x = 3,531,726,329,677,637 - Step 5: Solve for x
x = 3,531,726,329,677,637/68,375,972.96 - Step 6: Final answer
x = 51,651,569.65
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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.