Finding the Fourth Proportional to 221,177,356.40, 331,753,634 and 67,822,991.84
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Solution
The fourth proportional to 221,177,356.40, 331,753,634 and 67,822,991.84 is: 101,730,685.17
Step by Step Solution
- Step 1: Write the proportion equation
221,177,356.40 : 331,753,634 = 67,822,991.84 : x - Step 2: Convert to fraction form
221,177,356.40/331,753,634 = 67,822,991.84/x - Step 3: Cross multiply
221,177,356.40x = 331,753,634 × 67,822,991.84 - Step 4: Simplify right side
221,177,356.40x = 22,500,524,011,672,348 - Step 5: Solve for x
x = 22,500,524,011,672,348/221,177,356.40 - Step 6: Final answer
x = 101,730,685.17
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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.