Finding the Fourth Proportional to 185,783,599.98, 278,784,067.68 and 69,279,443.19
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Solution
The fourth proportional to 185,783,599.98, 278,784,067.68 and 69,279,443.19 is: 103,959,687.41
Step by Step Solution
- Step 1: Write the proportion equation
185,783,599.98 : 278,784,067.68 = 69,279,443.19 : x - Step 2: Convert to fraction form
185,783,599.98/278,784,067.68 = 69,279,443.19/x - Step 3: Cross multiply
185,783,599.98x = 278,784,067.68 × 69,279,443.19 - Step 4: Simplify right side
185,783,599.98x = 19,314,004,979,113,676 - Step 5: Solve for x
x = 19,314,004,979,113,676/185,783,599.98 - Step 6: Final answer
x = 103,959,687.41
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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.