Finding the Fourth Proportional to 86,062,203.79, 129,118,633.47 and 27,768,788.22
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Solution
The fourth proportional to 86,062,203.79, 129,118,633.47 and 27,768,788.22 is: 41,661,354.58
Step by Step Solution
- Step 1: Write the proportion equation
86,062,203.79 : 129,118,633.47 = 27,768,788.22 : x - Step 2: Convert to fraction form
86,062,203.79/129,118,633.47 = 27,768,788.22/x - Step 3: Cross multiply
86,062,203.79x = 129,118,633.47 × 27,768,788.22 - Step 4: Simplify right side
86,062,203.79x = 3,585,467,988,084,233.50 - Step 5: Solve for x
x = 3,585,467,988,084,233.50/86,062,203.79 - Step 6: Final answer
x = 41,661,354.58
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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.