Finding the Fourth Proportional to 112,583,643.39, 168,984,400.07 and 54,332,327.79
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Solution
The fourth proportional to 112,583,643.39, 168,984,400.07 and 54,332,327.79 is: 81,551,063.19
Step by Step Solution
- Step 1: Write the proportion equation
112,583,643.39 : 168,984,400.07 = 54,332,327.79 : x - Step 2: Convert to fraction form
112,583,643.39/168,984,400.07 = 54,332,327.79/x - Step 3: Cross multiply
112,583,643.39x = 168,984,400.07 × 54,332,327.79 - Step 4: Simplify right side
112,583,643.39x = 9,181,315,815,999,738 - Step 5: Solve for x
x = 9,181,315,815,999,738/112,583,643.39 - Step 6: Final answer
x = 81,551,063.19
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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.