Finding the Fourth Proportional to 209,297,595.12, 313,996,642.92 and 65,690,427.12
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Solution
The fourth proportional to 209,297,595.12, 313,996,642.92 and 65,690,427.12 is: 98,551,412.29
Step by Step Solution
- Step 1: Write the proportion equation
209,297,595.12 : 313,996,642.92 = 65,690,427.12 : x - Step 2: Convert to fraction form
209,297,595.12/313,996,642.92 = 65,690,427.12/x - Step 3: Cross multiply
209,297,595.12x = 313,996,642.92 × 65,690,427.12 - Step 4: Simplify right side
209,297,595.12x = 20,626,573,587,660,924 - Step 5: Solve for x
x = 20,626,573,587,660,924/209,297,595.12 - Step 6: Final answer
x = 98,551,412.29
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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.