Finding the Fourth Proportional to 146,420,694.08, 219,403,973.94 and 84,857,156.72
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Solution
The fourth proportional to 146,420,694.08, 219,403,973.94 and 84,857,156.72 is: 127,154,139.78
Step by Step Solution
- Step 1: Write the proportion equation
146,420,694.08 : 219,403,973.94 = 84,857,156.72 : x - Step 2: Convert to fraction form
146,420,694.08/219,403,973.94 = 84,857,156.72/x - Step 3: Cross multiply
146,420,694.08x = 219,403,973.94 × 84,857,156.72 - Step 4: Simplify right side
146,420,694.08x = 18,617,997,401,617,376 - Step 5: Solve for x
x = 18,617,997,401,617,376/146,420,694.08 - Step 6: Final answer
x = 127,154,139.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.