Finding the Fourth Proportional to 147,669,847.62, 203,196,263.82 and 143,176,846.14
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Solution
The fourth proportional to 147,669,847.62, 203,196,263.82 and 143,176,846.14 is: 197,013,816.09
Step by Step Solution
- Step 1: Write the proportion equation
147,669,847.62 : 203,196,263.82 = 143,176,846.14 : x - Step 2: Convert to fraction form
147,669,847.62/203,196,263.82 = 143,176,846.14/x - Step 3: Cross multiply
147,669,847.62x = 203,196,263.82 × 143,176,846.14 - Step 4: Simplify right side
147,669,847.62x = 29,093,000,201,178,984 - Step 5: Solve for x
x = 29,093,000,201,178,984/147,669,847.62 - Step 6: Final answer
x = 197,013,816.09
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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.