Finding the Fourth Proportional to 141,884,406.29, 195,800,394.06 and 76,694,310.29
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Solution
The fourth proportional to 141,884,406.29, 195,800,394.06 and 76,694,310.29 is: 105,838,101.38
Step by Step Solution
- Step 1: Write the proportion equation
141,884,406.29 : 195,800,394.06 = 76,694,310.29 : x - Step 2: Convert to fraction form
141,884,406.29/195,800,394.06 = 76,694,310.29/x - Step 3: Cross multiply
141,884,406.29x = 195,800,394.06 × 76,694,310.29 - Step 4: Simplify right side
141,884,406.29x = 15,016,776,176,941,914 - Step 5: Solve for x
x = 15,016,776,176,941,914/141,884,406.29 - Step 6: Final answer
x = 105,838,101.38
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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.