Finding the Fourth Proportional to 106,657,242.64, 159,985,863.99 and 29,980,270.85
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Solution
The fourth proportional to 106,657,242.64, 159,985,863.99 and 29,980,270.85 is: 44,970,406.28
Step by Step Solution
- Step 1: Write the proportion equation
106,657,242.64 : 159,985,863.99 = 29,980,270.85 : x - Step 2: Convert to fraction form
106,657,242.64/159,985,863.99 = 29,980,270.85/x - Step 3: Cross multiply
106,657,242.64x = 159,985,863.99 × 29,980,270.85 - Step 4: Simplify right side
106,657,242.64x = 4,796,419,533,791,532 - Step 5: Solve for x
x = 4,796,419,533,791,532/106,657,242.64 - Step 6: Final answer
x = 44,970,406.28
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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.