Finding the Fourth Proportional to 98,823,047.31, 136,375,815.09 and 54,772,886.97
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Solution
The fourth proportional to 98,823,047.31, 136,375,815.09 and 54,772,886.97 is: 75,586,589.45
Step by Step Solution
- Step 1: Write the proportion equation
98,823,047.31 : 136,375,815.09 = 54,772,886.97 : x - Step 2: Convert to fraction form
98,823,047.31/136,375,815.09 = 54,772,886.97/x - Step 3: Cross multiply
98,823,047.31x = 136,375,815.09 × 54,772,886.97 - Step 4: Simplify right side
98,823,047.31x = 7,469,697,105,366,190 - Step 5: Solve for x
x = 7,469,697,105,366,190/98,823,047.31 - Step 6: Final answer
x = 75,586,589.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.