Finding the Fourth Proportional to 84,602,881.71, 126,904,760.49 and 38,512,517.88
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Solution
The fourth proportional to 84,602,881.71, 126,904,760.49 and 38,512,517.88 is: 57,768,976.17
Step by Step Solution
- Step 1: Write the proportion equation
84,602,881.71 : 126,904,760.49 = 38,512,517.88 : x - Step 2: Convert to fraction form
84,602,881.71/126,904,760.49 = 38,512,517.88/x - Step 3: Cross multiply
84,602,881.71x = 126,904,760.49 × 38,512,517.88 - Step 4: Simplify right side
84,602,881.71x = 4,887,421,857,428,243 - Step 5: Solve for x
x = 4,887,421,857,428,243/84,602,881.71 - Step 6: Final answer
x = 57,768,976.17
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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.