Finding the Fourth Proportional to 51,442,214.99, 70,991,311.26 and 29,115,199.62
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Solution
The fourth proportional to 51,442,214.99, 70,991,311.26 and 29,115,199.62 is: 40,179,572.35
Step by Step Solution
- Step 1: Write the proportion equation
51,442,214.99 : 70,991,311.26 = 29,115,199.62 : x - Step 2: Convert to fraction form
51,442,214.99/70,991,311.26 = 29,115,199.62/x - Step 3: Cross multiply
51,442,214.99x = 70,991,311.26 × 29,115,199.62 - Step 4: Simplify right side
51,442,214.99x = 2,066,926,198,620,454 - Step 5: Solve for x
x = 2,066,926,198,620,454/51,442,214.99 - Step 6: Final answer
x = 40,179,572.35
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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.