Finding the Fourth Proportional to 69,772,532.84, 96,284,396.04 and 38,410,326.92
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Solution
The fourth proportional to 69,772,532.84, 96,284,396.04 and 38,410,326.92 is: 53,005,315.68
Step by Step Solution
- Step 1: Write the proportion equation
69,772,532.84 : 96,284,396.04 = 38,410,326.92 : x - Step 2: Convert to fraction form
69,772,532.84/96,284,396.04 = 38,410,326.92/x - Step 3: Cross multiply
69,772,532.84x = 96,284,396.04 × 38,410,326.92 - Step 4: Simplify right side
69,772,532.84x = 3,698,315,129,191,154 - Step 5: Solve for x
x = 3,698,315,129,191,154/69,772,532.84 - Step 6: Final answer
x = 53,005,315.68
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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.