Finding the Fourth Proportional to 162,221,413.30, 223,864,630.47 and 87,883,427.80
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Solution
The fourth proportional to 162,221,413.30, 223,864,630.47 and 87,883,427.80 is: 121,278,632.02
Step by Step Solution
- Step 1: Write the proportion equation
162,221,413.30 : 223,864,630.47 = 87,883,427.80 : x - Step 2: Convert to fraction form
162,221,413.30/223,864,630.47 = 87,883,427.80/x - Step 3: Cross multiply
162,221,413.30x = 223,864,630.47 × 87,883,427.80 - Step 4: Simplify right side
162,221,413.30x = 19,673,991,088,883,924 - Step 5: Solve for x
x = 19,673,991,088,883,924/162,221,413.30 - Step 6: Final answer
x = 121,278,632.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.