Finding the Fourth Proportional to 50,159,825.76, 69,220,804.72 and 28,134,502.28
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Solution
The fourth proportional to 50,159,825.76, 69,220,804.72 and 28,134,502.28 is: 38,825,750.66
Step by Step Solution
- Step 1: Write the proportion equation
50,159,825.76 : 69,220,804.72 = 28,134,502.28 : x - Step 2: Convert to fraction form
50,159,825.76/69,220,804.72 = 28,134,502.28/x - Step 3: Cross multiply
50,159,825.76x = 69,220,804.72 × 28,134,502.28 - Step 4: Simplify right side
50,159,825.76x = 1,947,492,888,218,274.75 - Step 5: Solve for x
x = 1,947,492,888,218,274.75/50,159,825.76 - Step 6: Final answer
x = 38,825,750.66
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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.