Finding the Fourth Proportional to 174,872,217.12, 261,174,557.70 and 158,444,679.96
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Solution
The fourth proportional to 174,872,217.12, 261,174,557.70 and 158,444,679.96 is: 236,639,758.39
Step by Step Solution
- Step 1: Write the proportion equation
174,872,217.12 : 261,174,557.70 = 158,444,679.96 : x - Step 2: Convert to fraction form
174,872,217.12/261,174,557.70 = 158,444,679.96/x - Step 3: Cross multiply
174,872,217.12x = 261,174,557.70 × 158,444,679.96 - Step 4: Simplify right side
174,872,217.12x = 41,381,719,208,471,056 - Step 5: Solve for x
x = 41,381,719,208,471,056/174,872,217.12 - Step 6: Final answer
x = 236,639,758.39
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.