Finding the Fourth Proportional to 154,761,394.74, 213,449,832.63 and 95,991,106.02
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Solution
The fourth proportional to 154,761,394.74, 213,449,832.63 and 95,991,106.02 is: 132,392,742.70
Step by Step Solution
- Step 1: Write the proportion equation
154,761,394.74 : 213,449,832.63 = 95,991,106.02 : x - Step 2: Convert to fraction form
154,761,394.74/213,449,832.63 = 95,991,106.02/x - Step 3: Cross multiply
154,761,394.74x = 213,449,832.63 × 95,991,106.02 - Step 4: Simplify right side
154,761,394.74x = 20,489,285,513,937,584 - Step 5: Solve for x
x = 20,489,285,513,937,584/154,761,394.74 - Step 6: Final answer
x = 132,392,742.70
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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.