Finding the Fourth Proportional to 297,872,616.08, 411,067,929.11 and 163,925,942.96
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Solution
The fourth proportional to 297,872,616.08, 411,067,929.11 and 163,925,942.96 is: 226,219,847.88
Step by Step Solution
- Step 1: Write the proportion equation
297,872,616.08 : 411,067,929.11 = 163,925,942.96 : x - Step 2: Convert to fraction form
297,872,616.08/411,067,929.11 = 163,925,942.96/x - Step 3: Cross multiply
297,872,616.08x = 411,067,929.11 × 163,925,942.96 - Step 4: Simplify right side
297,872,616.08x = 67,384,697,897,096,224 - Step 5: Solve for x
x = 67,384,697,897,096,224/297,872,616.08 - Step 6: Final answer
x = 226,219,847.88
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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.