Finding the Fourth Proportional to 171,504,284.90, 257,256,427.35 and 98,944,873.70
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Solution
The fourth proportional to 171,504,284.90, 257,256,427.35 and 98,944,873.70 is: 148,417,310.55
Step by Step Solution
- Step 1: Write the proportion equation
171,504,284.90 : 257,256,427.35 = 98,944,873.70 : x - Step 2: Convert to fraction form
171,504,284.90/257,256,427.35 = 98,944,873.70/x - Step 3: Cross multiply
171,504,284.90x = 257,256,427.35 × 98,944,873.70 - Step 4: Simplify right side
171,504,284.90x = 25,454,204,712,658,976 - Step 5: Solve for x
x = 25,454,204,712,658,976/171,504,284.90 - Step 6: Final answer
x = 148,417,310.55
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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.