Finding the Fourth Proportional to 80,793,326.41, 121,207,012.35 and 26,201,655.21
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Solution
The fourth proportional to 80,793,326.41, 121,207,012.35 and 26,201,655.21 is: 39,308,003.37
Step by Step Solution
- Step 1: Write the proportion equation
80,793,326.41 : 121,207,012.35 = 26,201,655.21 : x - Step 2: Convert to fraction form
80,793,326.41/121,207,012.35 = 26,201,655.21/x - Step 3: Cross multiply
80,793,326.41x = 121,207,012.35 × 26,201,655.21 - Step 4: Simplify right side
80,793,326.41x = 3,175,824,346,628,912 - Step 5: Solve for x
x = 3,175,824,346,628,912/80,793,326.41 - Step 6: Final answer
x = 39,308,003.37
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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.