Finding the Fourth Proportional to 76,416,756.74, 105,454,675.12 and 41,609,363.84
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Solution
The fourth proportional to 76,416,756.74, 105,454,675.12 and 41,609,363.84 is: 57,420,677.51
Step by Step Solution
- Step 1: Write the proportion equation
76,416,756.74 : 105,454,675.12 = 41,609,363.84 : x - Step 2: Convert to fraction form
76,416,756.74/105,454,675.12 = 41,609,363.84/x - Step 3: Cross multiply
76,416,756.74x = 105,454,675.12 × 41,609,363.84 - Step 4: Simplify right side
76,416,756.74x = 4,387,901,944,961,755.50 - Step 5: Solve for x
x = 4,387,901,944,961,755.50/76,416,756.74 - Step 6: Final answer
x = 57,420,677.51
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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.