Finding the Fourth Proportional to 160,669,010.99, 221,707,742.19 and 90,107,485.79
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Solution
The fourth proportional to 160,669,010.99, 221,707,742.19 and 90,107,485.79 is: 124,339,641.51
Step by Step Solution
- Step 1: Write the proportion equation
160,669,010.99 : 221,707,742.19 = 90,107,485.79 : x - Step 2: Convert to fraction form
160,669,010.99/221,707,742.19 = 90,107,485.79/x - Step 3: Cross multiply
160,669,010.99x = 221,707,742.19 × 90,107,485.79 - Step 4: Simplify right side
160,669,010.99x = 19,977,527,228,918,408 - Step 5: Solve for x
x = 19,977,527,228,918,408/160,669,010.99 - Step 6: Final answer
x = 124,339,641.51
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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.