Finding the Fourth Proportional to 81,667,540.14, 112,699,780.14 and 44,498,128.07
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Solution
The fourth proportional to 81,667,540.14, 112,699,780.14 and 44,498,128.07 is: 61,406,640.17
Step by Step Solution
- Step 1: Write the proportion equation
81,667,540.14 : 112,699,780.14 = 44,498,128.07 : x - Step 2: Convert to fraction form
81,667,540.14/112,699,780.14 = 44,498,128.07/x - Step 3: Cross multiply
81,667,540.14x = 112,699,780.14 × 44,498,128.07 - Step 4: Simplify right side
81,667,540.14x = 5,014,929,250,579,180 - Step 5: Solve for x
x = 5,014,929,250,579,180/81,667,540.14 - Step 6: Final answer
x = 61,406,640.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.