Finding the Fourth Proportional to 90,072,521.40, 135,057,583.62 and 35,455,497.96
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Solution
The fourth proportional to 90,072,521.40, 135,057,583.62 and 35,455,497.96 is: 53,163,093.54
Step by Step Solution
- Step 1: Write the proportion equation
90,072,521.40 : 135,057,583.62 = 35,455,497.96 : x - Step 2: Convert to fraction form
90,072,521.40/135,057,583.62 = 35,455,497.96/x - Step 3: Cross multiply
90,072,521.40x = 135,057,583.62 × 35,455,497.96 - Step 4: Simplify right side
90,072,521.40x = 4,788,533,880,521,440 - Step 5: Solve for x
x = 4,788,533,880,521,440/90,072,521.40 - Step 6: Final answer
x = 53,163,093.54
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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.