Finding the Fourth Proportional to 260,348,578.74, 390,510,249.12 and 96,618,255.12
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Solution
The fourth proportional to 260,348,578.74, 390,510,249.12 and 96,618,255.12 is: 144,922,699.63
Step by Step Solution
- Step 1: Write the proportion equation
260,348,578.74 : 390,510,249.12 = 96,618,255.12 : x - Step 2: Convert to fraction form
260,348,578.74/390,510,249.12 = 96,618,255.12/x - Step 3: Cross multiply
260,348,578.74x = 390,510,249.12 × 96,618,255.12 - Step 4: Simplify right side
260,348,578.74x = 37,730,418,876,450,920 - Step 5: Solve for x
x = 37,730,418,876,450,920/260,348,578.74 - Step 6: Final answer
x = 144,922,699.63
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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.