Finding the Fourth Proportional to 71,637,744.14, 107,446,118.60 and 35,236,363.58
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Solution
The fourth proportional to 71,637,744.14, 107,446,118.60 and 35,236,363.58 is: 52,849,381.92
Step by Step Solution
- Step 1: Write the proportion equation
71,637,744.14 : 107,446,118.60 = 35,236,363.58 : x - Step 2: Convert to fraction form
71,637,744.14/107,446,118.60 = 35,236,363.58/x - Step 3: Cross multiply
71,637,744.14x = 107,446,118.60 × 35,236,363.58 - Step 4: Simplify right side
71,637,744.14x = 3,786,010,500,249,400 - Step 5: Solve for x
x = 3,786,010,500,249,400/71,637,744.14 - Step 6: Final answer
x = 52,849,381.92
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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.