Finding the Fourth Proportional to 124,416,728.20, 186,625,092.30 and 115,346,801.80
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Solution
The fourth proportional to 124,416,728.20, 186,625,092.30 and 115,346,801.80 is: 173,020,202.70
Step by Step Solution
- Step 1: Write the proportion equation
124,416,728.20 : 186,625,092.30 = 115,346,801.80 : x - Step 2: Convert to fraction form
124,416,728.20/186,625,092.30 = 115,346,801.80/x - Step 3: Cross multiply
124,416,728.20x = 186,625,092.30 × 115,346,801.80 - Step 4: Simplify right side
124,416,728.20x = 21,526,607,532,434,808 - Step 5: Solve for x
x = 21,526,607,532,434,808/124,416,728.20 - Step 6: Final answer
x = 173,020,202.70
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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.