Finding the Fourth Proportional to 172,954,585.44, 238,682,682 and 94,641,439.68
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Solution
The fourth proportional to 172,954,585.44, 238,682,682 and 94,641,439.68 is: 130,608,116.54
Step by Step Solution
- Step 1: Write the proportion equation
172,954,585.44 : 238,682,682 = 94,641,439.68 : x - Step 2: Convert to fraction form
172,954,585.44/238,682,682 = 94,641,439.68/x - Step 3: Cross multiply
172,954,585.44x = 238,682,682 × 94,641,439.68 - Step 4: Simplify right side
172,954,585.44x = 22,589,272,651,163,624 - Step 5: Solve for x
x = 22,589,272,651,163,624/172,954,585.44 - Step 6: Final answer
x = 130,608,116.54
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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.