Finding the Fourth Proportional to 199,098,169.36, 274,741,443.67 and 110,988,269.62
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Solution
The fourth proportional to 199,098,169.36, 274,741,443.67 and 110,988,269.62 is: 153,155,990.95
Step by Step Solution
- Step 1: Write the proportion equation
199,098,169.36 : 274,741,443.67 = 110,988,269.62 : x - Step 2: Convert to fraction form
199,098,169.36/274,741,443.67 = 110,988,269.62/x - Step 3: Cross multiply
199,098,169.36x = 274,741,443.67 × 110,988,269.62 - Step 4: Simplify right side
199,098,169.36x = 30,493,077,423,905,356 - Step 5: Solve for x
x = 30,493,077,423,905,356/199,098,169.36 - Step 6: Final answer
x = 153,155,990.95
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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.