Finding the Fourth Proportional to 140,268,133.80, 193,553,257.86 and 77,535,757.08
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Solution
The fourth proportional to 140,268,133.80, 193,553,257.86 and 77,535,757.08 is: 106,990,076.63
Step by Step Solution
- Step 1: Write the proportion equation
140,268,133.80 : 193,553,257.86 = 77,535,757.08 : x - Step 2: Convert to fraction form
140,268,133.80/193,553,257.86 = 77,535,757.08/x - Step 3: Cross multiply
140,268,133.80x = 193,553,257.86 × 77,535,757.08 - Step 4: Simplify right side
140,268,133.80x = 15,007,298,383,475,562 - Step 5: Solve for x
x = 15,007,298,383,475,562/140,268,133.80 - Step 6: Final answer
x = 106,990,076.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.