Finding the Fourth Proportional to 76,686,098.58, 115,086,277.17 and 56,268,577.62
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Solution
The fourth proportional to 76,686,098.58, 115,086,277.17 and 56,268,577.62 is: 84,444,785.17
Step by Step Solution
- Step 1: Write the proportion equation
76,686,098.58 : 115,086,277.17 = 56,268,577.62 : x - Step 2: Convert to fraction form
76,686,098.58/115,086,277.17 = 56,268,577.62/x - Step 3: Cross multiply
76,686,098.58x = 115,086,277.17 × 56,268,577.62 - Step 4: Simplify right side
76,686,098.58x = 6,475,741,119,936,979 - Step 5: Solve for x
x = 6,475,741,119,936,979/76,686,098.58 - Step 6: Final answer
x = 84,444,785.17
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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.