Finding the Fourth Proportional to 60,440,151.30, 90,660,226.95 and 51,086,789.70
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Solution
The fourth proportional to 60,440,151.30, 90,660,226.95 and 51,086,789.70 is: 76,630,184.55
Step by Step Solution
- Step 1: Write the proportion equation
60,440,151.30 : 90,660,226.95 = 51,086,789.70 : x - Step 2: Convert to fraction form
60,440,151.30/90,660,226.95 = 51,086,789.70/x - Step 3: Cross multiply
60,440,151.30x = 90,660,226.95 × 51,086,789.70 - Step 4: Simplify right side
60,440,151.30x = 4,631,539,948,348,923 - Step 5: Solve for x
x = 4,631,539,948,348,923/60,440,151.30 - Step 6: Final answer
x = 76,630,184.55
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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.