Finding the Fourth Proportional to 213,418,999.02, 294,518,415.24 and 115,633,855.02
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Solution
The fourth proportional to 213,418,999.02, 294,518,415.24 and 115,633,855.02 is: 159,574,826.44
Step by Step Solution
- Step 1: Write the proportion equation
213,418,999.02 : 294,518,415.24 = 115,633,855.02 : x - Step 2: Convert to fraction form
213,418,999.02/294,518,415.24 = 115,633,855.02/x - Step 3: Cross multiply
213,418,999.02x = 294,518,415.24 × 115,633,855.02 - Step 4: Simplify right side
213,418,999.02x = 34,056,299,728,582,320 - Step 5: Solve for x
x = 34,056,299,728,582,320/213,418,999.02 - Step 6: Final answer
x = 159,574,826.44
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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.