Finding the Fourth Proportional to 124,479,589.92, 171,796,897.42 and 70,847,290.99
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Solution
The fourth proportional to 124,479,589.92, 171,796,897.42 and 70,847,290.99 is: 97,777,834.83
Step by Step Solution
- Step 1: Write the proportion equation
124,479,589.92 : 171,796,897.42 = 70,847,290.99 : x - Step 2: Convert to fraction form
124,479,589.92/171,796,897.42 = 70,847,290.99/x - Step 3: Cross multiply
124,479,589.92x = 171,796,897.42 × 70,847,290.99 - Step 4: Simplify right side
124,479,589.92x = 12,171,344,782,693,918 - Step 5: Solve for x
x = 12,171,344,782,693,918/124,479,589.92 - Step 6: Final answer
x = 97,777,834.83
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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.