Finding the Fourth Proportional to 49,055,502.30, 67,698,126.99 and 28,151,359.26
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Solution
The fourth proportional to 49,055,502.30, 67,698,126.99 and 28,151,359.26 is: 38,849,755.99
Step by Step Solution
- Step 1: Write the proportion equation
49,055,502.30 : 67,698,126.99 = 28,151,359.26 : x - Step 2: Convert to fraction form
49,055,502.30/67,698,126.99 = 28,151,359.26/x - Step 3: Cross multiply
49,055,502.30x = 67,698,126.99 × 28,151,359.26 - Step 4: Simplify right side
49,055,502.30x = 1,905,794,294,124,592.50 - Step 5: Solve for x
x = 1,905,794,294,124,592.50/49,055,502.30 - Step 6: Final answer
x = 38,849,755.99
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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.