Finding the Fourth Proportional to 79,713,593.40, 119,357,813.70 and 79,713,593.40
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Solution
The fourth proportional to 79,713,593.40, 119,357,813.70 and 79,713,593.40 is: 119,357,813.70
Step by Step Solution
- Step 1: Write the proportion equation
79,713,593.40 : 119,357,813.70 = 79,713,593.40 : x - Step 2: Convert to fraction form
79,713,593.40/119,357,813.70 = 79,713,593.40/x - Step 3: Cross multiply
79,713,593.40x = 119,357,813.70 × 79,713,593.40 - Step 4: Simplify right side
79,713,593.40x = 9,514,440,230,394,750 - Step 5: Solve for x
x = 9,514,440,230,394,750/79,713,593.40 - Step 6: Final answer
x = 119,357,813.70
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1.5x scale
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.