Finding the Fourth Proportional to 51,053,394.76, 70,454,134.40 and 27,848,624.92
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Solution
The fourth proportional to 51,053,394.76, 70,454,134.40 and 27,848,624.92 is: 38,431,347.65
Step by Step Solution
- Step 1: Write the proportion equation
51,053,394.76 : 70,454,134.40 = 27,848,624.92 : x - Step 2: Convert to fraction form
51,053,394.76/70,454,134.40 = 27,848,624.92/x - Step 3: Cross multiply
51,053,394.76x = 70,454,134.40 × 27,848,624.92 - Step 4: Simplify right side
51,053,394.76x = 1,962,050,762,968,869.50 - Step 5: Solve for x
x = 1,962,050,762,968,869.50/51,053,394.76 - Step 6: Final answer
x = 38,431,347.65
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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.