Finding the Fourth Proportional to 75,442,934.79, 113,165,451.99 and 21,590,246.79
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Solution
The fourth proportional to 75,442,934.79, 113,165,451.99 and 21,590,246.79 is: 32,385,670.62
Step by Step Solution
- Step 1: Write the proportion equation
75,442,934.79 : 113,165,451.99 = 21,590,246.79 : x - Step 2: Convert to fraction form
75,442,934.79/113,165,451.99 = 21,590,246.79/x - Step 3: Cross multiply
75,442,934.79x = 113,165,451.99 × 21,590,246.79 - Step 4: Simplify right side
75,442,934.79x = 2,443,270,036,565,996.50 - Step 5: Solve for x
x = 2,443,270,036,565,996.50/75,442,934.79 - Step 6: Final answer
x = 32,385,670.62
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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.