Finding the Fourth Proportional to 225,163,566.52, 310,565,541.84 and 206,638,529.56
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Solution
The fourth proportional to 225,163,566.52, 310,565,541.84 and 206,638,529.56 is: 285,014,169.43
Step by Step Solution
- Step 1: Write the proportion equation
225,163,566.52 : 310,565,541.84 = 206,638,529.56 : x - Step 2: Convert to fraction form
225,163,566.52/310,565,541.84 = 206,638,529.56/x - Step 3: Cross multiply
225,163,566.52x = 310,565,541.84 × 206,638,529.56 - Step 4: Simplify right side
225,163,566.52x = 64,174,806,897,822,256 - Step 5: Solve for x
x = 64,174,806,897,822,256/225,163,566.52 - Step 6: Final answer
x = 285,014,169.43
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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.