Finding the Fourth Proportional to 199,352,987.88, 299,028,227.03 and 107,280,096.53
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Solution
The fourth proportional to 199,352,987.88, 299,028,227.03 and 107,280,096.53 is: 160,919,469.53
Step by Step Solution
- Step 1: Write the proportion equation
199,352,987.88 : 299,028,227.03 = 107,280,096.53 : x - Step 2: Convert to fraction form
199,352,987.88/299,028,227.03 = 107,280,096.53/x - Step 3: Cross multiply
199,352,987.88x = 299,028,227.03 × 107,280,096.53 - Step 4: Simplify right side
199,352,987.88x = 32,079,777,058,941,612 - Step 5: Solve for x
x = 32,079,777,058,941,612/199,352,987.88 - Step 6: Final answer
x = 160,919,469.53
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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.