Finding the Fourth Proportional to 80,958,736.91, 121,409,691.12 and 22,650,746.51
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Solution
The fourth proportional to 80,958,736.91, 121,409,691.12 and 22,650,746.51 is: 33,968,169.99
Step by Step Solution
- Step 1: Write the proportion equation
80,958,736.91 : 121,409,691.12 = 22,650,746.51 : x - Step 2: Convert to fraction form
80,958,736.91/121,409,691.12 = 22,650,746.51/x - Step 3: Cross multiply
80,958,736.91x = 121,409,691.12 × 22,650,746.51 - Step 4: Simplify right side
80,958,736.91x = 2,750,020,137,720,042 - Step 5: Solve for x
x = 2,750,020,137,720,042/80,958,736.91 - Step 6: Final answer
x = 33,968,169.99
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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.