Finding the Fourth Proportional to 45,492,743.60, 68,239,115.40 and 32,578,727.30
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Solution
The fourth proportional to 45,492,743.60, 68,239,115.40 and 32,578,727.30 is: 48,868,090.95
Step by Step Solution
- Step 1: Write the proportion equation
45,492,743.60 : 68,239,115.40 = 32,578,727.30 : x - Step 2: Convert to fraction form
45,492,743.60/68,239,115.40 = 32,578,727.30/x - Step 3: Cross multiply
45,492,743.60x = 68,239,115.40 × 32,578,727.30 - Step 4: Simplify right side
45,492,743.60x = 2,223,143,531,809,830.75 - Step 5: Solve for x
x = 2,223,143,531,809,830.75/45,492,743.60 - Step 6: Final answer
x = 48,868,090.95
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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.