Finding the Fourth Proportional to 107,209,251.69, 160,831,814.58 and 84,179,257.17
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Solution
The fourth proportional to 107,209,251.69, 160,831,814.58 and 84,179,257.17 is: 126,282,969.68
Step by Step Solution
- Step 1: Write the proportion equation
107,209,251.69 : 160,831,814.58 = 84,179,257.17 : x - Step 2: Convert to fraction form
107,209,251.69/160,831,814.58 = 84,179,257.17/x - Step 3: Cross multiply
107,209,251.69x = 160,831,814.58 × 84,179,257.17 - Step 4: Simplify right side
107,209,251.69x = 13,538,702,680,647,576 - Step 5: Solve for x
x = 13,538,702,680,647,576/107,209,251.69 - Step 6: Final answer
x = 126,282,969.68
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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.