Finding the Fourth Proportional to 81,606,201.80, 122,352,486.06 and 36,143,351.24
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Solution
The fourth proportional to 81,606,201.80, 122,352,486.06 and 36,143,351.24 is: 54,189,862.79
Step by Step Solution
- Step 1: Write the proportion equation
81,606,201.80 : 122,352,486.06 = 36,143,351.24 : x - Step 2: Convert to fraction form
81,606,201.80/122,352,486.06 = 36,143,351.24/x - Step 3: Cross multiply
81,606,201.80x = 122,352,486.06 × 36,143,351.24 - Step 4: Simplify right side
81,606,201.80x = 4,422,228,878,753,784 - Step 5: Solve for x
x = 4,422,228,878,753,784/81,606,201.80 - Step 6: Final answer
x = 54,189,862.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.