Finding the Fourth Proportional to 75,191,320.86, 112,765,100.75 and 29,122,914.93
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Solution
The fourth proportional to 75,191,320.86, 112,765,100.75 and 29,122,914.93 is: 43,675,897.68
Step by Step Solution
- Step 1: Write the proportion equation
75,191,320.86 : 112,765,100.75 = 29,122,914.93 : x - Step 2: Convert to fraction form
75,191,320.86/112,765,100.75 = 29,122,914.93/x - Step 3: Cross multiply
75,191,320.86x = 112,765,100.75 × 29,122,914.93 - Step 4: Simplify right side
75,191,320.86x = 3,284,048,436,215,129 - Step 5: Solve for x
x = 3,284,048,436,215,129/75,191,320.86 - Step 6: Final answer
x = 43,675,897.68
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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.