Finding the Fourth Proportional to 199,639,160.58, 299,413,469.79 and 90,392,212.02
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Solution
The fourth proportional to 199,639,160.58, 299,413,469.79 and 90,392,212.02 is: 135,567,820.28
Step by Step Solution
- Step 1: Write the proportion equation
199,639,160.58 : 299,413,469.79 = 90,392,212.02 : x - Step 2: Convert to fraction form
199,639,160.58/299,413,469.79 = 90,392,212.02/x - Step 3: Cross multiply
199,639,160.58x = 299,413,469.79 × 90,392,212.02 - Step 4: Simplify right side
199,639,160.58x = 27,064,645,842,901,544 - Step 5: Solve for x
x = 27,064,645,842,901,544/199,639,160.58 - Step 6: Final answer
x = 135,567,820.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.