Finding the Fourth Proportional to 76,752,220.08, 115,115,719.49 and 27,557,889.60
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Solution
The fourth proportional to 76,752,220.08, 115,115,719.49 and 27,557,889.60 is: 41,332,306.55
Step by Step Solution
- Step 1: Write the proportion equation
76,752,220.08 : 115,115,719.49 = 27,557,889.60 : x - Step 2: Convert to fraction form
76,752,220.08/115,115,719.49 = 27,557,889.60/x - Step 3: Cross multiply
76,752,220.08x = 115,115,719.49 × 27,557,889.60 - Step 4: Simplify right side
76,752,220.08x = 3,172,346,288,423,304.50 - Step 5: Solve for x
x = 3,172,346,288,423,304.50/76,752,220.08 - Step 6: Final answer
x = 41,332,306.55
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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.