Finding the Fourth Proportional to 90,529,133.76, 135,792,371.04 and 22,371,823.68
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Solution
The fourth proportional to 90,529,133.76, 135,792,371.04 and 22,371,823.68 is: 33,557,406.95
Step by Step Solution
- Step 1: Write the proportion equation
90,529,133.76 : 135,792,371.04 = 22,371,823.68 : x - Step 2: Convert to fraction form
90,529,133.76/135,792,371.04 = 22,371,823.68/x - Step 3: Cross multiply
90,529,133.76x = 135,792,371.04 × 22,371,823.68 - Step 4: Simplify right side
90,529,133.76x = 3,037,922,981,996,018 - Step 5: Solve for x
x = 3,037,922,981,996,018/90,529,133.76 - Step 6: Final answer
x = 33,557,406.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.