Finding the Fourth Proportional to 229,791,979.08, 317,112,568.38 and 125,370,059.58
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Solution
The fourth proportional to 229,791,979.08, 317,112,568.38 and 125,370,059.58 is: 173,010,484.31
Step by Step Solution
- Step 1: Write the proportion equation
229,791,979.08 : 317,112,568.38 = 125,370,059.58 : x - Step 2: Convert to fraction form
229,791,979.08/317,112,568.38 = 125,370,059.58/x - Step 3: Cross multiply
229,791,979.08x = 317,112,568.38 × 125,370,059.58 - Step 4: Simplify right side
229,791,979.08x = 39,756,421,591,367,424 - Step 5: Solve for x
x = 39,756,421,591,367,424/229,791,979.08 - Step 6: Final answer
x = 173,010,484.31
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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.