Finding the Fourth Proportional to 171,949,911.80, 257,924,867.70 and 114,554,283.80
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Solution
The fourth proportional to 171,949,911.80, 257,924,867.70 and 114,554,283.80 is: 171,831,425.70
Step by Step Solution
- Step 1: Write the proportion equation
171,949,911.80 : 257,924,867.70 = 114,554,283.80 : x - Step 2: Convert to fraction form
171,949,911.80/257,924,867.70 = 114,554,283.80/x - Step 3: Cross multiply
171,949,911.80x = 257,924,867.70 × 114,554,283.80 - Step 4: Simplify right side
171,949,911.80x = 29,546,398,493,583,252 - Step 5: Solve for x
x = 29,546,398,493,583,252/171,949,911.80 - Step 6: Final answer
x = 171,831,425.70
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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.