Finding the Fourth Proportional to 80,807,117.07, 121,210,676.64 and 19,396,275.63
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Solution
The fourth proportional to 80,807,117.07, 121,210,676.64 and 19,396,275.63 is: 29,094,413.69
Step by Step Solution
- Step 1: Write the proportion equation
80,807,117.07 : 121,210,676.64 = 19,396,275.63 : x - Step 2: Convert to fraction form
80,807,117.07/121,210,676.64 = 19,396,275.63/x - Step 3: Cross multiply
80,807,117.07x = 121,210,676.64 × 19,396,275.63 - Step 4: Simplify right side
80,807,117.07x = 2,351,035,693,408,242 - Step 5: Solve for x
x = 2,351,035,693,408,242/80,807,117.07 - Step 6: Final answer
x = 29,094,413.69
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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.