Finding the Fourth Proportional to 48,643,207.92, 67,121,017.08 and 29,059,951.20
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Solution
The fourth proportional to 48,643,207.92, 67,121,017.08 and 29,059,951.20 is: 40,098,783.86
Step by Step Solution
- Step 1: Write the proportion equation
48,643,207.92 : 67,121,017.08 = 29,059,951.20 : x - Step 2: Convert to fraction form
48,643,207.92/67,121,017.08 = 29,059,951.20/x - Step 3: Cross multiply
48,643,207.92x = 67,121,017.08 × 29,059,951.20 - Step 4: Simplify right side
48,643,207.92x = 1,950,533,480,839,166.50 - Step 5: Solve for x
x = 1,950,533,480,839,166.50/48,643,207.92 - Step 6: Final answer
x = 40,098,783.86
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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.