Finding the Fourth Proportional to 229,858,392.60, 317,211,319.35 and 125,443,177.38
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Solution
The fourth proportional to 229,858,392.60, 317,211,319.35 and 125,443,177.38 is: 173,115,261.75
Step by Step Solution
- Step 1: Write the proportion equation
229,858,392.60 : 317,211,319.35 = 125,443,177.38 : x - Step 2: Convert to fraction form
229,858,392.60/317,211,319.35 = 125,443,177.38/x - Step 3: Cross multiply
229,858,392.60x = 317,211,319.35 × 125,443,177.38 - Step 4: Simplify right side
229,858,392.60x = 39,791,995,800,165,880 - Step 5: Solve for x
x = 39,791,995,800,165,880/229,858,392.60 - Step 6: Final answer
x = 173,115,261.75
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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.