Finding the Fourth Proportional to 195,912,721.36, 270,732,425.16 and 146,935,118.80
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Solution
The fourth proportional to 195,912,721.36, 270,732,425.16 and 146,935,118.80 is: 203,050,117.31
Step by Step Solution
- Step 1: Write the proportion equation
195,912,721.36 : 270,732,425.16 = 146,935,118.80 : x - Step 2: Convert to fraction form
195,912,721.36/270,732,425.16 = 146,935,118.80/x - Step 3: Cross multiply
195,912,721.36x = 270,732,425.16 × 146,935,118.80 - Step 4: Simplify right side
195,912,721.36x = 39,780,101,053,896,720 - Step 5: Solve for x
x = 39,780,101,053,896,720/195,912,721.36 - Step 6: Final answer
x = 203,050,117.31
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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.