Finding the Fourth Proportional to 81,716,775.49, 112,768,218.24 and 44,546,235.76
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Solution
The fourth proportional to 81,716,775.49, 112,768,218.24 and 44,546,235.76 is: 61,473,297.33
Step by Step Solution
- Step 1: Write the proportion equation
81,716,775.49 : 112,768,218.24 = 44,546,235.76 : x - Step 2: Convert to fraction form
81,716,775.49/112,768,218.24 = 44,546,235.76/x - Step 3: Cross multiply
81,716,775.49x = 112,768,218.24 × 44,546,235.76 - Step 4: Simplify right side
81,716,775.49x = 5,023,399,636,142,282 - Step 5: Solve for x
x = 5,023,399,636,142,282/81,716,775.49 - Step 6: Final answer
x = 61,473,297.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.