Finding the Fourth Proportional to 49,034,968.02, 67,668,252.66 and 28,420,371.63
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Solution
The fourth proportional to 49,034,968.02, 67,668,252.66 and 28,420,371.63 is: 39,220,110.99
Step by Step Solution
- Step 1: Write the proportion equation
49,034,968.02 : 67,668,252.66 = 28,420,371.63 : x - Step 2: Convert to fraction form
49,034,968.02/67,668,252.66 = 28,420,371.63/x - Step 3: Cross multiply
49,034,968.02x = 67,668,252.66 × 28,420,371.63 - Step 4: Simplify right side
49,034,968.02x = 1,923,156,888,149,935.75 - Step 5: Solve for x
x = 1,923,156,888,149,935.75/49,034,968.02 - Step 6: Final answer
x = 39,220,110.99
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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.