Finding the Fourth Proportional to 233,107,569.95, 321,689,474.00 and 128,686,499.33
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Solution
The fourth proportional to 233,107,569.95, 321,689,474.00 and 128,686,499.33 is: 177,587,936.28
Step by Step Solution
- Step 1: Write the proportion equation
233,107,569.95 : 321,689,474.00 = 128,686,499.33 : x - Step 2: Convert to fraction form
233,107,569.95/321,689,474.00 = 128,686,499.33/x - Step 3: Cross multiply
233,107,569.95x = 321,689,474.00 × 128,686,499.33 - Step 4: Simplify right side
233,107,569.95x = 41,397,092,278,117,176 - Step 5: Solve for x
x = 41,397,092,278,117,176/233,107,569.95 - Step 6: Final answer
x = 177,587,936.28
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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.