Finding the Fourth Proportional to 66,529,494.40, 99,794,241.60 and 48,613,590.40
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Solution
The fourth proportional to 66,529,494.40, 99,794,241.60 and 48,613,590.40 is: 72,920,385.60
Step by Step Solution
- Step 1: Write the proportion equation
66,529,494.40 : 99,794,241.60 = 48,613,590.40 : x - Step 2: Convert to fraction form
66,529,494.40/99,794,241.60 = 48,613,590.40/x - Step 3: Cross multiply
66,529,494.40x = 99,794,241.60 × 48,613,590.40 - Step 4: Simplify right side
66,529,494.40x = 4,851,356,385,421,040 - Step 5: Solve for x
x = 4,851,356,385,421,040/66,529,494.40 - Step 6: Final answer
x = 72,920,385.60
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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.