Finding the Fourth Proportional to 45,423,967.80, 68,135,951.70 and 26,292,091.80
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Solution
The fourth proportional to 45,423,967.80, 68,135,951.70 and 26,292,091.80 is: 39,438,137.70
Step by Step Solution
- Step 1: Write the proportion equation
45,423,967.80 : 68,135,951.70 = 26,292,091.80 : x - Step 2: Convert to fraction form
45,423,967.80/68,135,951.70 = 26,292,091.80/x - Step 3: Cross multiply
45,423,967.80x = 68,135,951.70 × 26,292,091.80 - Step 4: Simplify right side
45,423,967.80x = 1,791,436,696,976,766.25 - Step 5: Solve for x
x = 1,791,436,696,976,766.25/45,423,967.80 - Step 6: Final answer
x = 39,438,137.70
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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.