Finding the Fourth Proportional to 124,416,546.80, 186,718,132.20 and 63,801,071.60
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Solution
The fourth proportional to 124,416,546.80, 186,718,132.20 and 63,801,071.60 is: 95,749,457.99
Step by Step Solution
- Step 1: Write the proportion equation
124,416,546.80 : 186,718,132.20 = 63,801,071.60 : x - Step 2: Convert to fraction form
124,416,546.80/186,718,132.20 = 63,801,071.60/x - Step 3: Cross multiply
124,416,546.80x = 186,718,132.20 × 63,801,071.60 - Step 4: Simplify right side
124,416,546.80x = 11,912,816,921,510,466 - Step 5: Solve for x
x = 11,912,816,921,510,466/124,416,546.80 - Step 6: Final answer
x = 95,749,457.99
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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.