Finding the Fourth Proportional to 89,948,581.88, 124,129,062.43 and 48,695,813.24
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Solution
The fourth proportional to 89,948,581.88, 124,129,062.43 and 48,695,813.24 is: 67,200,232.79
Step by Step Solution
- Step 1: Write the proportion equation
89,948,581.88 : 124,129,062.43 = 48,695,813.24 : x - Step 2: Convert to fraction form
89,948,581.88/124,129,062.43 = 48,695,813.24/x - Step 3: Cross multiply
89,948,581.88x = 124,129,062.43 × 48,695,813.24 - Step 4: Simplify right side
89,948,581.88x = 6,044,565,641,005,195 - Step 5: Solve for x
x = 6,044,565,641,005,195/89,948,581.88 - Step 6: Final answer
x = 67,200,232.79
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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.