Finding the Fourth Proportional to 147,177,320.84, 203,095,551.39 and 81,094,121.02
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Solution
The fourth proportional to 147,177,320.84, 203,095,551.39 and 81,094,121.02 is: 111,904,844.64
Step by Step Solution
- Step 1: Write the proportion equation
147,177,320.84 : 203,095,551.39 = 81,094,121.02 : x - Step 2: Convert to fraction form
147,177,320.84/203,095,551.39 = 81,094,121.02/x - Step 3: Cross multiply
147,177,320.84x = 203,095,551.39 × 81,094,121.02 - Step 4: Simplify right side
147,177,320.84x = 16,469,855,223,449,802 - Step 5: Solve for x
x = 16,469,855,223,449,802/147,177,320.84 - Step 6: Final answer
x = 111,904,844.64
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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.