Finding the Fourth Proportional to 81,765,470.17, 122,648,205.26 and 33,231,952.95
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Solution
The fourth proportional to 81,765,470.17, 122,648,205.26 and 33,231,952.95 is: 49,847,929.43
Step by Step Solution
- Step 1: Write the proportion equation
81,765,470.17 : 122,648,205.26 = 33,231,952.95 : x - Step 2: Convert to fraction form
81,765,470.17/122,648,205.26 = 33,231,952.95/x - Step 3: Cross multiply
81,765,470.17x = 122,648,205.26 × 33,231,952.95 - Step 4: Simplify right side
81,765,470.17x = 4,075,839,386,602,262.50 - Step 5: Solve for x
x = 4,075,839,386,602,262.50/81,765,470.17 - Step 6: Final answer
x = 49,847,929.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.