Finding the Fourth Proportional to 106,620,134.31, 159,930,201.47 and 25,841,102.31
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Solution
The fourth proportional to 106,620,134.31, 159,930,201.47 and 25,841,102.31 is: 38,761,653.47
Step by Step Solution
- Step 1: Write the proportion equation
106,620,134.31 : 159,930,201.47 = 25,841,102.31 : x - Step 2: Convert to fraction form
106,620,134.31/159,930,201.47 = 25,841,102.31/x - Step 3: Cross multiply
106,620,134.31x = 159,930,201.47 × 25,841,102.31 - Step 4: Simplify right side
106,620,134.31x = 4,132,772,698,515,977 - Step 5: Solve for x
x = 4,132,772,698,515,977/106,620,134.31 - Step 6: Final answer
x = 38,761,653.47
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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.