Finding the Fourth Proportional to 128,934,845,249.70, 193,402,267,874.55 and 128,934,845,249.70
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Solution
The fourth proportional to 128,934,845,249.70, 193,402,267,874.55 and 128,934,845,249.70 is: 193,402,267,874.55
Step by Step Solution
- Step 1: Write the proportion equation
128,934,845,249.70 : 193,402,267,874.55 = 128,934,845,249.70 : x - Step 2: Convert to fraction form
128,934,845,249.70/193,402,267,874.55 = 128,934,845,249.70/x - Step 3: Cross multiply
128,934,845,249.70x = 193,402,267,874.55 × 128,934,845,249.70 - Step 4: Simplify right side
128,934,845,249.70x = 24,936,291,479,346,128,879,616 - Step 5: Solve for x
x = 24,936,291,479,346,128,879,616/128,934,845,249.70 - Step 6: Final answer
x = 193,402,267,874.55
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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.