Finding the Fourth Proportional to 83,103,742.11, 124,661,878.92 and 24,806,814.96
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Solution
The fourth proportional to 83,103,742.11, 124,661,878.92 and 24,806,814.96 is: 37,212,092.79
Step by Step Solution
- Step 1: Write the proportion equation
83,103,742.11 : 124,661,878.92 = 24,806,814.96 : x - Step 2: Convert to fraction form
83,103,742.11/124,661,878.92 = 24,806,814.96/x - Step 3: Cross multiply
83,103,742.11x = 124,661,878.92 × 24,806,814.96 - Step 4: Simplify right side
83,103,742.11x = 3,092,464,162,934,365 - Step 5: Solve for x
x = 3,092,464,162,934,365/83,103,742.11 - Step 6: Final answer
x = 37,212,092.79
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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.