Finding the Fourth Proportional to 66,555,324,092.80, 91,792,792,840 and 58,509,461,491.84
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Solution
The fourth proportional to 66,555,324,092.80, 91,792,792,840 and 58,509,461,491.84 is: 80,695,976,634.59
Step by Step Solution
- Step 1: Write the proportion equation
66,555,324,092.80 : 91,792,792,840 = 58,509,461,491.84 : x - Step 2: Convert to fraction form
66,555,324,092.80/91,792,792,840 = 58,509,461,491.84/x - Step 3: Cross multiply
66,555,324,092.80x = 91,792,792,840 × 58,509,461,491.84 - Step 4: Simplify right side
66,555,324,092.80x = 5,370,746,877,900,425,789,440 - Step 5: Solve for x
x = 5,370,746,877,900,425,789,440/66,555,324,092.80 - Step 6: Final answer
x = 80,695,976,634.59
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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.