Finding the Fourth Proportional to 48,677,681.76, 73,052,247.12 and 39,207,402.96
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Solution
The fourth proportional to 48,677,681.76, 73,052,247.12 and 39,207,402.96 is: 58,839,878.70
Step by Step Solution
- Step 1: Write the proportion equation
48,677,681.76 : 73,052,247.12 = 39,207,402.96 : x - Step 2: Convert to fraction form
48,677,681.76/73,052,247.12 = 39,207,402.96/x - Step 3: Cross multiply
48,677,681.76x = 73,052,247.12 × 39,207,402.96 - Step 4: Simplify right side
48,677,681.76x = 2,864,188,889,967,339.50 - Step 5: Solve for x
x = 2,864,188,889,967,339.50/48,677,681.76 - Step 6: Final answer
x = 58,839,878.70
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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.