Finding the Fourth Proportional to 195,610,020.30, 293,415,030.45 and 138,214,392.30
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Solution
The fourth proportional to 195,610,020.30, 293,415,030.45 and 138,214,392.30 is: 207,321,588.45
Step by Step Solution
- Step 1: Write the proportion equation
195,610,020.30 : 293,415,030.45 = 138,214,392.30 : x - Step 2: Convert to fraction form
195,610,020.30/293,415,030.45 = 138,214,392.30/x - Step 3: Cross multiply
195,610,020.30x = 293,415,030.45 × 138,214,392.30 - Step 4: Simplify right side
195,610,020.30x = 40,554,180,125,332,744 - Step 5: Solve for x
x = 40,554,180,125,332,744/195,610,020.30 - Step 6: Final answer
x = 207,321,588.45
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Similar ratio
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1.5x scale
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.