Finding the Fourth Proportional to 195,609,962.80, 293,414,944.20 and 138,214,334.80
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Solution
The fourth proportional to 195,609,962.80, 293,414,944.20 and 138,214,334.80 is: 207,321,502.20
Step by Step Solution
- Step 1: Write the proportion equation
195,609,962.80 : 293,414,944.20 = 138,214,334.80 : x - Step 2: Convert to fraction form
195,609,962.80/293,414,944.20 = 138,214,334.80/x - Step 3: Cross multiply
195,609,962.80x = 293,414,944.20 × 138,214,334.80 - Step 4: Simplify right side
195,609,962.80x = 40,554,151,332,982,120 - Step 5: Solve for x
x = 40,554,151,332,982,120/195,609,962.80 - Step 6: Final answer
x = 207,321,502.20
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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.