Finding the Fourth Proportional to 194,885,068.08, 268,919,695.80 and 107,943,167.28
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Solution
The fourth proportional to 194,885,068.08, 268,919,695.80 and 107,943,167.28 is: 148,949,552.65
Step by Step Solution
- Step 1: Write the proportion equation
194,885,068.08 : 268,919,695.80 = 107,943,167.28 : x - Step 2: Convert to fraction form
194,885,068.08/268,919,695.80 = 107,943,167.28/x - Step 3: Cross multiply
194,885,068.08x = 268,919,695.80 × 107,943,167.28 - Step 4: Simplify right side
194,885,068.08x = 29,028,043,708,626,116 - Step 5: Solve for x
x = 29,028,043,708,626,116/194,885,068.08 - Step 6: Final answer
x = 148,949,552.65
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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.