Finding the Fourth Proportional to 213,125,476.20, 294,113,152.74 and 115,340,331.24
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Solution
The fourth proportional to 213,125,476.20, 294,113,152.74 and 115,340,331.24 is: 159,169,654.72
Step by Step Solution
- Step 1: Write the proportion equation
213,125,476.20 : 294,113,152.74 = 115,340,331.24 : x - Step 2: Convert to fraction form
213,125,476.20/294,113,152.74 = 115,340,331.24/x - Step 3: Cross multiply
213,125,476.20x = 294,113,152.74 × 115,340,331.24 - Step 4: Simplify right side
213,125,476.20x = 33,923,108,459,072,312 - Step 5: Solve for x
x = 33,923,108,459,072,312/213,125,476.20 - Step 6: Final answer
x = 159,169,654.72
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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.