Finding the Fourth Proportional to 173,175,291.12, 259,730,459.73 and 86,890,530.36
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Solution
The fourth proportional to 173,175,291.12, 259,730,459.73 and 86,890,530.36 is: 130,319,500.26
Step by Step Solution
- Step 1: Write the proportion equation
173,175,291.12 : 259,730,459.73 = 86,890,530.36 : x - Step 2: Convert to fraction form
173,175,291.12/259,730,459.73 = 86,890,530.36/x - Step 3: Cross multiply
173,175,291.12x = 259,730,459.73 × 86,890,530.36 - Step 4: Simplify right side
173,175,291.12x = 22,568,117,396,586,320 - Step 5: Solve for x
x = 22,568,117,396,586,320/173,175,291.12 - Step 6: Final answer
x = 130,319,500.26
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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.