Finding the Fourth Proportional to 49,555,159.56, 74,332,739.34 and 19,270,108.44
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Solution
The fourth proportional to 49,555,159.56, 74,332,739.34 and 19,270,108.44 is: 28,905,162.66
Step by Step Solution
- Step 1: Write the proportion equation
49,555,159.56 : 74,332,739.34 = 19,270,108.44 : x - Step 2: Convert to fraction form
49,555,159.56/74,332,739.34 = 19,270,108.44/x - Step 3: Cross multiply
49,555,159.56x = 74,332,739.34 × 19,270,108.44 - Step 4: Simplify right side
49,555,159.56x = 1,432,399,947,724,054.25 - Step 5: Solve for x
x = 1,432,399,947,724,054.25/49,555,159.56 - Step 6: Final answer
x = 28,905,162.66
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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.