Finding the Fourth Proportional to 49,173,986.70, 67,868,984.43 and 29,329,023.96
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Solution
The fourth proportional to 49,173,986.70, 67,868,984.43 and 29,329,023.96 is: 40,479,351.06
Step by Step Solution
- Step 1: Write the proportion equation
49,173,986.70 : 67,868,984.43 = 29,329,023.96 : x - Step 2: Convert to fraction form
49,173,986.70/67,868,984.43 = 29,329,023.96/x - Step 3: Cross multiply
49,173,986.70x = 67,868,984.43 × 29,329,023.96 - Step 4: Simplify right side
49,173,986.70x = 1,990,531,070,488,337.25 - Step 5: Solve for x
x = 1,990,531,070,488,337.25/49,173,986.70 - Step 6: Final answer
x = 40,479,351.06
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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.