Finding the Fourth Proportional to 95,987,756.35, 132,425,412.42 and 55,746,901.63
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Solution
The fourth proportional to 95,987,756.35, 132,425,412.42 and 55,746,901.63 is: 76,908,834.21
Step by Step Solution
- Step 1: Write the proportion equation
95,987,756.35 : 132,425,412.42 = 55,746,901.63 : x - Step 2: Convert to fraction form
95,987,756.35/132,425,412.42 = 55,746,901.63/x - Step 3: Cross multiply
95,987,756.35x = 132,425,412.42 × 55,746,901.63 - Step 4: Simplify right side
95,987,756.35x = 7,382,306,439,489,921 - Step 5: Solve for x
x = 7,382,306,439,489,921/95,987,756.35 - Step 6: Final answer
x = 76,908,834.21
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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.