Finding the Fourth Proportional to 115,506,118.40, 173,175,196.80 and 47,313,708.80
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Solution
The fourth proportional to 115,506,118.40, 173,175,196.80 and 47,313,708.80 is: 70,936,162.92
Step by Step Solution
- Step 1: Write the proportion equation
115,506,118.40 : 173,175,196.80 = 47,313,708.80 : x - Step 2: Convert to fraction form
115,506,118.40/173,175,196.80 = 47,313,708.80/x - Step 3: Cross multiply
115,506,118.40x = 173,175,196.80 × 47,313,708.80 - Step 4: Simplify right side
115,506,118.40x = 8,193,560,832,777,892 - Step 5: Solve for x
x = 8,193,560,832,777,892/115,506,118.40 - Step 6: Final answer
x = 70,936,162.92
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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.