Finding the Fourth Proportional to 112,021,127.20, 167,965,335.60 and 58,273,415.20
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Solution
The fourth proportional to 112,021,127.20, 167,965,335.60 and 58,273,415.20 is: 87,375,604.81
Step by Step Solution
- Step 1: Write the proportion equation
112,021,127.20 : 167,965,335.60 = 58,273,415.20 : x - Step 2: Convert to fraction form
112,021,127.20/167,965,335.60 = 58,273,415.20/x - Step 3: Cross multiply
112,021,127.20x = 167,965,335.60 × 58,273,415.20 - Step 4: Simplify right side
112,021,127.20x = 9,787,913,740,626,142 - Step 5: Solve for x
x = 9,787,913,740,626,142/112,021,127.20 - Step 6: Final answer
x = 87,375,604.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.