Finding the Fourth Proportional to 83,415,215.10, 125,160,147.45 and 37,953,608.70
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Solution
The fourth proportional to 83,415,215.10, 125,160,147.45 and 37,953,608.70 is: 56,947,395.69
Step by Step Solution
- Step 1: Write the proportion equation
83,415,215.10 : 125,160,147.45 = 37,953,608.70 : x - Step 2: Convert to fraction form
83,415,215.10/125,160,147.45 = 37,953,608.70/x - Step 3: Cross multiply
83,415,215.10x = 125,160,147.45 × 37,953,608.70 - Step 4: Simplify right side
83,415,215.10x = 4,750,279,261,151,603 - Step 5: Solve for x
x = 4,750,279,261,151,603/83,415,215.10 - Step 6: Final answer
x = 56,947,395.69
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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.