Finding the Fourth Proportional to 251,551,864.02, 347,149,847.36 and 138,533,406.64
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Solution
The fourth proportional to 251,551,864.02, 347,149,847.36 and 138,533,406.64 is: 191,180,658.34
Step by Step Solution
- Step 1: Write the proportion equation
251,551,864.02 : 347,149,847.36 = 138,533,406.64 : x - Step 2: Convert to fraction form
251,551,864.02/347,149,847.36 = 138,533,406.64/x - Step 3: Cross multiply
251,551,864.02x = 347,149,847.36 × 138,533,406.64 - Step 4: Simplify right side
251,551,864.02x = 48,091,850,969,336,808 - Step 5: Solve for x
x = 48,091,850,969,336,808/251,551,864.02 - Step 6: Final answer
x = 191,180,658.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.