Finding the Fourth Proportional to 199,586,692.80, 299,423,584.80 and 113,366,404.80
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Solution
The fourth proportional to 199,586,692.80, 299,423,584.80 and 113,366,404.80 is: 170,074,341.35
Step by Step Solution
- Step 1: Write the proportion equation
199,586,692.80 : 299,423,584.80 = 113,366,404.80 : x - Step 2: Convert to fraction form
199,586,692.80/299,423,584.80 = 113,366,404.80/x - Step 3: Cross multiply
199,586,692.80x = 299,423,584.80 × 113,366,404.80 - Step 4: Simplify right side
199,586,692.80x = 33,944,575,321,103,928 - Step 5: Solve for x
x = 33,944,575,321,103,928/199,586,692.80 - Step 6: Final answer
x = 170,074,341.35
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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.