Finding the Fourth Proportional to 98,823,359, 136,296,716.20 and 86,876,628.71
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Solution
The fourth proportional to 98,823,359, 136,296,716.20 and 86,876,628.71 is: 119,819,841.46
Step by Step Solution
- Step 1: Write the proportion equation
98,823,359 : 136,296,716.20 = 86,876,628.71 : x - Step 2: Convert to fraction form
98,823,359/136,296,716.20 = 86,876,628.71/x - Step 3: Cross multiply
98,823,359x = 136,296,716.20 × 86,876,628.71 - Step 4: Simplify right side
98,823,359x = 11,840,999,207,699,640 - Step 5: Solve for x
x = 11,840,999,207,699,640/98,823,359 - Step 6: Final answer
x = 119,819,841.46
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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.