Finding the Fourth Proportional to 159,430,201.80, 238,720,149.90 and 159,430,201.80
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Solution
The fourth proportional to 159,430,201.80, 238,720,149.90 and 159,430,201.80 is: 238,720,149.90
Step by Step Solution
- Step 1: Write the proportion equation
159,430,201.80 : 238,720,149.90 = 159,430,201.80 : x - Step 2: Convert to fraction form
159,430,201.80/238,720,149.90 = 159,430,201.80/x - Step 3: Cross multiply
159,430,201.80x = 238,720,149.90 × 159,430,201.80 - Step 4: Simplify right side
159,430,201.80x = 38,059,201,672,283,256 - Step 5: Solve for x
x = 38,059,201,672,283,256/159,430,201.80 - Step 6: Final answer
x = 238,720,149.90
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1.5x scale
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.