Finding the Fourth Proportional to 147,669,872.68, 203,196,298.26 and 143,176,871.08
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Solution
The fourth proportional to 147,669,872.68, 203,196,298.26 and 143,176,871.08 is: 197,013,850.37
Step by Step Solution
- Step 1: Write the proportion equation
147,669,872.68 : 203,196,298.26 = 143,176,871.08 : x - Step 2: Convert to fraction form
147,669,872.68/203,196,298.26 = 143,176,871.08/x - Step 3: Cross multiply
147,669,872.68x = 203,196,298.26 × 143,176,871.08 - Step 4: Simplify right side
147,669,872.68x = 29,093,010,199,905,248 - Step 5: Solve for x
x = 29,093,010,199,905,248/147,669,872.68 - Step 6: Final answer
x = 197,013,850.37
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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.