Finding the Fourth Proportional to 99,211,723.40, 148,746,726.30 and 44,579,588.60
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Solution
The fourth proportional to 99,211,723.40, 148,746,726.30 and 44,579,588.60 is: 66,837,543.35
Step by Step Solution
- Step 1: Write the proportion equation
99,211,723.40 : 148,746,726.30 = 44,579,588.60 : x - Step 2: Convert to fraction form
99,211,723.40/148,746,726.30 = 44,579,588.60/x - Step 3: Cross multiply
99,211,723.40x = 148,746,726.30 × 44,579,588.60 - Step 4: Simplify right side
99,211,723.40x = 6,631,067,864,050,801 - Step 5: Solve for x
x = 6,631,067,864,050,801/99,211,723.40 - Step 6: Final answer
x = 66,837,543.35
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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.