Finding the Fourth Proportional to 45,492,728.60, 68,239,092.90 and 32,578,712.30
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Solution
The fourth proportional to 45,492,728.60, 68,239,092.90 and 32,578,712.30 is: 48,868,068.45
Step by Step Solution
- Step 1: Write the proportion equation
45,492,728.60 : 68,239,092.90 = 32,578,712.30 : x - Step 2: Convert to fraction form
45,492,728.60/68,239,092.90 = 32,578,712.30/x - Step 3: Cross multiply
45,492,728.60x = 68,239,092.90 × 32,578,712.30 - Step 4: Simplify right side
45,492,728.60x = 2,223,141,775,202,073 - Step 5: Solve for x
x = 2,223,141,775,202,073/45,492,728.60 - Step 6: Final answer
x = 48,868,068.45
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1.5x scale
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.