Finding the Fourth Proportional to 102,132,993.24, 152,299,989.36 and 101,211,828.84
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Solution
The fourth proportional to 102,132,993.24, 152,299,989.36 and 101,211,828.84 is: 150,926,355.59
Step by Step Solution
- Step 1: Write the proportion equation
102,132,993.24 : 152,299,989.36 = 101,211,828.84 : x - Step 2: Convert to fraction form
102,132,993.24/152,299,989.36 = 101,211,828.84/x - Step 3: Cross multiply
102,132,993.24x = 152,299,989.36 × 101,211,828.84 - Step 4: Simplify right side
102,132,993.24x = 15,414,560,455,438,144 - Step 5: Solve for x
x = 15,414,560,455,438,144/102,132,993.24 - Step 6: Final answer
x = 150,926,355.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.