Finding the Fourth Proportional to 109,679,870.84, 151,269,966.74 and 96,420,697.68
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Solution
The fourth proportional to 109,679,870.84, 151,269,966.74 and 96,420,697.68 is: 132,982,976.91
Step by Step Solution
- Step 1: Write the proportion equation
109,679,870.84 : 151,269,966.74 = 96,420,697.68 : x - Step 2: Convert to fraction form
109,679,870.84/151,269,966.74 = 96,420,697.68/x - Step 3: Cross multiply
109,679,870.84x = 151,269,966.74 × 96,420,697.68 - Step 4: Simplify right side
109,679,870.84x = 14,585,555,731,101,198 - Step 5: Solve for x
x = 14,585,555,731,101,198/109,679,870.84 - Step 6: Final answer
x = 132,982,976.91
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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.