Finding the Fourth Proportional to 99,696,590.80, 149,565,103.80 and 56,586,446.80
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Solution
The fourth proportional to 99,696,590.80, 149,565,103.80 and 56,586,446.80 is: 84,891,145.44
Step by Step Solution
- Step 1: Write the proportion equation
99,696,590.80 : 149,565,103.80 = 56,586,446.80 : x - Step 2: Convert to fraction form
99,696,590.80/149,565,103.80 = 56,586,446.80/x - Step 3: Cross multiply
99,696,590.80x = 149,565,103.80 × 56,586,446.80 - Step 4: Simplify right side
99,696,590.80x = 8,463,357,789,315,178 - Step 5: Solve for x
x = 8,463,357,789,315,178/99,696,590.80 - Step 6: Final answer
x = 84,891,145.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.