Finding the Fourth Proportional to 147,712,750.18, 203,844,228.32 and 80,733,057.14
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Solution
The fourth proportional to 147,712,750.18, 203,844,228.32 and 80,733,057.14 is: 111,411,964.87
Step by Step Solution
- Step 1: Write the proportion equation
147,712,750.18 : 203,844,228.32 = 80,733,057.14 : x - Step 2: Convert to fraction form
147,712,750.18/203,844,228.32 = 80,733,057.14/x - Step 3: Cross multiply
147,712,750.18x = 203,844,228.32 × 80,733,057.14 - Step 4: Simplify right side
147,712,750.18x = 16,456,967,733,329,208 - Step 5: Solve for x
x = 16,456,967,733,329,208/147,712,750.18 - Step 6: Final answer
x = 111,411,964.87
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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.