Finding the Fourth Proportional to 129,713,769.92, 194,572,909.92 and 47,790,480.08
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Solution
The fourth proportional to 129,713,769.92, 194,572,909.92 and 47,790,480.08 is: 71,686,550.95
Step by Step Solution
- Step 1: Write the proportion equation
129,713,769.92 : 194,572,909.92 = 47,790,480.08 : x - Step 2: Convert to fraction form
129,713,769.92/194,572,909.92 = 47,790,480.08/x - Step 3: Cross multiply
129,713,769.92x = 194,572,909.92 × 47,790,480.08 - Step 4: Simplify right side
129,713,769.92x = 9,298,732,775,639,394 - Step 5: Solve for x
x = 9,298,732,775,639,394/129,713,769.92 - Step 6: Final answer
x = 71,686,550.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.