Finding the Fourth Proportional to 63,331,459.68, 87,397,583.76 and 34,358,083.68
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Solution
The fourth proportional to 63,331,459.68, 87,397,583.76 and 34,358,083.68 is: 47,414,247.38
Step by Step Solution
- Step 1: Write the proportion equation
63,331,459.68 : 87,397,583.76 = 34,358,083.68 : x - Step 2: Convert to fraction form
63,331,459.68/87,397,583.76 = 34,358,083.68/x - Step 3: Cross multiply
63,331,459.68x = 87,397,583.76 × 34,358,083.68 - Step 4: Simplify right side
63,331,459.68x = 3,002,813,496,255,889 - Step 5: Solve for x
x = 3,002,813,496,255,889/63,331,459.68 - Step 6: Final answer
x = 47,414,247.38
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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.